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51796407 = 31329411117
BaseRepresentation
bin1100010110010…
…1100110110111
310121110112022110
43011211212313
5101224441112
65050102103
71166155635
oct305454667
9117415273
1051796407
1127268453
121541a933
13a966c80
146c44355
15483213c
hex31659b7

51796407 has 32 divisors (see below), whose sum is σ = 78886080. Its totient is φ = 29998080.

The previous prime is 51796403. The next prime is 51796421. The reversal of 51796407 is 70469715.

It is not a de Polignac number, because 51796407 - 22 = 51796403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51796403) 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, 45813 + ... + 46929.

It is an arithmetic number, because the mean of its divisors is an integer number (2465190).

Almost surely, 251796407 is an apocalyptic number.

51796407 is a deficient number, since it is larger than the sum of its proper divisors (27089673).

51796407 is a wasteful number, since it uses less digits than its factorization.

51796407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 51796407 is about 7196.9720716424. The cubic root of 51796407 is about 372.7633547479.

The spelling of 51796407 in words is "fifty-one million, seven hundred ninety-six thousand, four hundred seven".

Divisors: 1 3 13 29 39 41 87 123 377 533 1117 1131 1189 1599 3351 3567 14521 15457 32393 43563 45797 46371 97179 137391 421109 595361 1263327 1328113 1786083 3984339 17265469 51796407