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1490448072 = 2331741139641
BaseRepresentation
bin101100011010110…
…0110111011001000
310211212112121101110
41120311212323020
511023023314242
6403521250320
751635412441
oct13065467310
93755477343
101490448072
116a5356773
123571939a0
131a9a29649
14101d382c8
158acae39c
hex58d66ec8

1490448072 has 128 divisors (see below), whose sum is σ = 4076956800. Its totient is φ = 452198400.

The previous prime is 1490448061. The next prime is 1490448073. The reversal of 1490448072 is 2708440941.

It is a self number, because there is not a number n which added to its sum of digits gives 1490448072.

It is not an unprimeable number, because it can be changed into a prime (1490448073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2324872 + ... + 2325512.

It is an arithmetic number, because the mean of its divisors is an integer number (31851225).

Almost surely, 21490448072 is an apocalyptic number.

1490448072 is a gapful number since it is divisible by the number (12) 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 1490448072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2038478400).

1490448072 is an abundant number, since it is smaller than the sum of its proper divisors (2586508728).

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

1490448072 is a wasteful number, since it uses less digits than its factorization.

1490448072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1490448072 is about 38606.3216585056. The cubic root of 1490448072 is about 1142.2792381019.

The spelling of 1490448072 in words is "one billion, four hundred ninety million, four hundred forty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 41 51 68 82 102 123 136 139 164 204 246 278 328 408 417 492 556 641 697 834 984 1112 1282 1394 1668 1923 2091 2363 2564 2788 3336 3846 4182 4726 5128 5576 5699 7089 7692 8364 9452 10897 11398 14178 15384 16728 17097 18904 21794 22796 26281 28356 32691 34194 43588 45592 52562 56712 65382 68388 78843 87176 89099 96883 105124 130764 136776 157686 178198 193766 210248 261528 267297 290649 315372 356396 387532 446777 534594 581298 630744 712792 775064 893554 1069188 1162596 1340331 1514683 1787108 2138376 2325192 2680662 3029366 3574216 3653059 4544049 5361324 6058732 7306118 9088098 10722648 10959177 12117464 14612236 18176196 21918354 29224472 36352392 43836708 62102003 87673416 124204006 186306009 248408012 372612018 496816024 745224036 1490448072