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31474077 = 3291093319
BaseRepresentation
bin111100000010…
…0000110011101
32012020001022120
41320010012131
531024132302
63042333153
7531345105
oct170040635
965201276
1031474077
1116847a38
12a65a1b9
13669cc1b
144274205
152b6a9bc
hex1e0419d

31474077 has 16 divisors (see below), whose sum is σ = 43824000. Its totient is φ = 20067264.

The previous prime is 31474073. The next prime is 31474111. The reversal of 31474077 is 77047413.

It is not a de Polignac number, because 31474077 - 22 = 31474073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31474073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7824 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (2739000).

Almost surely, 231474077 is an apocalyptic number.

It is an amenable number.

31474077 is a deficient number, since it is larger than the sum of its proper divisors (12349923).

31474077 is a wasteful number, since it uses less digits than its factorization.

31474077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 31474077 is about 5610.1762004415. The cubic root of 31474077 is about 315.7313217205.

The spelling of 31474077 in words is "thirty-one million, four hundred seventy-four thousand, seventy-seven".

Divisors: 1 3 29 87 109 327 3161 3319 9483 9957 96251 288753 361771 1085313 10491359 31474077