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1490004880 = 245713593469
BaseRepresentation
bin101100011001111…
…1010101110010000
310211211201002102221
41120303322232100
511022420124010
6403503550424
751631555360
oct13063725620
93754632387
101490004880
116a50837a1
12356bbb414
131a99029c0
14101c609a0
158ac22dda
hex58cfab90

1490004880 has 160 divisors (see below), whose sum is σ = 4337222400. Its totient is φ = 463435776.

The previous prime is 1490004869. The next prime is 1490004907. The reversal of 1490004880 is 884000941.

It is a super-2 number, since 2×14900048802 = 4440229084847628800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427786 + ... + 431254.

It is an arithmetic number, because the mean of its divisors is an integer number (27107640).

Almost surely, 21490004880 is an apocalyptic number.

1490004880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490004880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2168611200).

1490004880 is an abundant number, since it is smaller than the sum of its proper divisors (2847217520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490004880 is a wasteful number, since it uses less digits than its factorization.

1490004880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3555 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1490004880 is about 38600.5813427725. The cubic root of 1490004880 is about 1142.1660061111.

The spelling of 1490004880 in words is "one billion, four hundred ninety million, four thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 59 65 70 80 91 104 112 118 130 140 182 208 236 260 280 295 364 413 455 472 520 560 590 728 767 826 910 944 1040 1180 1456 1534 1652 1820 2065 2360 3068 3304 3469 3640 3835 4130 4720 5369 6136 6608 6938 7280 7670 8260 10738 12272 13876 15340 16520 17345 21476 24283 26845 27752 30680 33040 34690 42952 45097 48566 53690 55504 61360 69380 85904 90194 97132 107380 121415 138760 180388 194264 204671 214760 225485 242830 277520 315679 360776 388528 409342 429520 450970 485660 631358 721552 818684 901940 971320 1023355 1262716 1432697 1578395 1637368 1803880 1942640 2046710 2525432 2660723 2865394 3156790 3274736 3607760 4093420 5050864 5321446 5730788 6313580 7163485 8186840 10642892 11461576 12627160 13303615 14326970 16373680 18625061 21285784 22923152 25254320 26607230 28653940 37250122 42571568 53214460 57307880 74500244 93125305 106428920 114615760 149000488 186250610 212857840 298000976 372501220 745002440 1490004880