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104992407 = 32134761313
BaseRepresentation
bin1100100001000…
…00111010010111
321022120011111200
412100200322113
5203334224112
614230203543
72413264212
oct620407227
9238504450
10104992407
11542a1393
122b1b35b3
13189a0cb0
14dd30779
15933dcdc
hex6420e97

104992407 has 48 divisors (see below), whose sum is σ = 170072448. Its totient is φ = 62000640.

The previous prime is 104992387. The next prime is 104992409. The reversal of 104992407 is 704299401.

It is not a de Polignac number, because 104992407 - 223 = 96603799 is a prime.

It is a super-2 number, since 2×1049924072 = 22046811055307298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104992409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335283 + ... + 335595.

It is an arithmetic number, because the mean of its divisors is an integer number (3543176).

Almost surely, 2104992407 is an apocalyptic number.

104992407 is a deficient number, since it is larger than the sum of its proper divisors (65080041).

104992407 is a wasteful number, since it uses less digits than its factorization.

104992407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 104992407 is about 10246.5802587985. The cubic root of 104992407 is about 471.7580258685.

The spelling of 104992407 in words is "one hundred four million, nine hundred ninety-two thousand, four hundred seven".

Divisors: 1 3 9 13 39 47 61 117 141 183 313 423 549 611 793 939 1833 2379 2817 2867 4069 5499 7137 8601 12207 14711 19093 25803 36621 37271 44133 57279 111813 132399 171837 191243 248209 335439 573729 744627 897371 1721187 2233881 2692113 8076339 11665823 34997469 104992407