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1404992472 = 2331317264893
BaseRepresentation
bin101001110111110…
…0111101111011000
310121220202000100020
41103233213233120
510334134224342
6351225510440
746550144652
oct12357475730
93556660306
101404992472
11661099704
12332642420
13195108cc0
14d48516d2
158352e0ec
hex53be7bd8

1404992472 has 64 divisors (see below), whose sum is σ = 4005197280. Its totient is φ = 406874112.

The previous prime is 1404992441. The next prime is 1404992473. The reversal of 1404992472 is 2742994041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404992473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127143 + ... + 137750.

Almost surely, 21404992472 is an apocalyptic number.

1404992472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1404992472 is an abundant number, since it is smaller than the sum of its proper divisors (2600204808).

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

1404992472 is a wasteful number, since it uses less digits than its factorization.

1404992472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264932 (or 264928 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1404992472 is about 37483.2292098746. The cubic root of 1404992472 is about 1120.0171319658.

The spelling of 1404992472 in words is "one billion, four hundred four million, nine hundred ninety-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 17 24 26 34 39 51 52 68 78 102 104 136 156 204 221 312 408 442 663 884 1326 1768 2652 5304 264893 529786 794679 1059572 1589358 2119144 3178716 3443609 4503181 6357432 6887218 9006362 10330827 13509543 13774436 18012724 20661654 27019086 27548872 36025448 41323308 54038172 58541353 82646616 108076344 117082706 175624059 234165412 351248118 468330824 702496236 1404992472