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4079249160 = 2335721292281
BaseRepresentation
bin1111001100100100…
…0110011100001000
3101112021211022212020
43303021012130020
531323241433120
61512440244440
7203042021460
oct36311063410
911467738766
104079249160
1118036a22a8
1295a170720
1350017b0cc
142a9aa2ba0
1518d1cb640
hexf3246708

4079249160 has 128 divisors (see below), whose sum is σ = 13998700800. Its totient is φ = 931553280.

The previous prime is 4079249143. The next prime is 4079249171. The reversal of 4079249160 is 619429704.

It is a Cunningham number, because it is equal to 638692-1.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1787220 + ... + 1789500.

It is an arithmetic number, because the mean of its divisors is an integer number (109364850).

Almost surely, 24079249160 is an apocalyptic number.

4079249160 is a gapful number since it is divisible by the number (40) 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 4079249160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6999350400).

4079249160 is an abundant number, since it is smaller than the sum of its proper divisors (9919451640).

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

4079249160 is a wasteful number, since it uses less digits than its factorization.

4079249160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 4079249160 is about 63868.9999921715. Note that the first 5 decimals coincide. The cubic root of 4079249160 is about 1597.8159210226.

The spelling of 4079249160 in words is "four billion, seventy-nine million, two hundred forty-nine thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2129 2281 4258 4562 6387 6843 8516 9124 10645 11405 12774 13686 14903 15967 17032 18248 21290 22810 25548 27372 29806 31934 31935 34215 42580 44709 45620 47901 51096 54744 59612 63868 63870 68430 74515 79835 85160 89418 91240 95802 119224 127736 127740 136860 149030 159670 178836 191604 223545 239505 255480 273720 298060 319340 357672 383208 447090 479010 596120 638680 894180 958020 1788360 1916040 4856249 9712498 14568747 19424996 24281245 29137494 33993743 38849992 48562490 58274988 67987486 72843735 97124980 101981229 116549976 135974972 145687470 169968715 194249960 203962458 271949944 291374940 339937430 407924916 509906145 582749880 679874860 815849832 1019812290 1359749720 2039624580 4079249160