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94880031 = 31092571129
BaseRepresentation
bin1011010011111…
…00000100011111
320121112101221020
411221330010133
5143242130111
613225335223
72231316111
oct551740437
9217471836
1094880031
1149614854
1227937513
131687023c
14c85b3b1
1584e2906
hex5a7c11f

94880031 has 16 divisors (see below), whose sum is σ = 128277600. Its totient is φ = 62373888.

The previous prime is 94880021. The next prime is 94880041. The reversal of 94880031 is 13008849.

It is an interprime number because it is at equal distance from previous prime (94880021) and next prime (94880041).

It is not a de Polignac number, because 94880031 - 27 = 94879903 is a prime.

It is a super-2 number, since 2×948800312 = 18004440565121922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94879974 and 94880001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94880011) 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, 83475 + ... + 84603.

It is an arithmetic number, because the mean of its divisors is an integer number (8017350).

Almost surely, 294880031 is an apocalyptic number.

94880031 is a deficient number, since it is larger than the sum of its proper divisors (33397569).

94880031 is a wasteful number, since it uses less digits than its factorization.

94880031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 94880031 is about 9740.6381207804. The cubic root of 94880031 is about 456.0981100455.

The spelling of 94880031 in words is "ninety-four million, eight hundred eighty thousand, thirty-one".

Divisors: 1 3 109 257 327 771 1129 3387 28013 84039 123061 290153 369183 870459 31626677 94880031