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104772405 = 3531293769
BaseRepresentation
bin1100011111010…
…11001100110101
321022010222201110
412033223030311
5203310204110
614221345233
72411356623
oct617531465
9238128643
10104772405
1154161071
122b108219
1318924b0a
14dcb4513
1592e8a20
hex63eb335

104772405 has 32 divisors (see below), whose sum is σ = 173859840. Its totient is φ = 53821440.

The previous prime is 104772401. The next prime is 104772413. The reversal of 104772405 is 504277401.

It is not a de Polignac number, because 104772405 - 22 = 104772401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104772401) 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, 135861 + ... + 136629.

It is an arithmetic number, because the mean of its divisors is an integer number (5433120).

Almost surely, 2104772405 is an apocalyptic number.

104772405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104772405 is a deficient number, since it is larger than the sum of its proper divisors (69087435).

104772405 is a wasteful number, since it uses less digits than its factorization.

104772405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 104772405 is about 10235.8392425829. The cubic root of 104772405 is about 471.4282868292.

The spelling of 104772405 in words is "one hundred four million, seven hundred seventy-two thousand, four hundred five".

Divisors: 1 3 5 15 31 93 155 293 465 769 879 1465 2307 3845 4395 9083 11535 23839 27249 45415 71517 119195 136245 225317 357585 675951 1126585 3379755 6984827 20954481 34924135 104772405