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94891031 = 2331133087
BaseRepresentation
bin1011010011111…
…10110000010111
320121112222000122
411221332300113
5143243003111
613225502155
72231363144
oct551766027
9217488018
1094891031
1149622044
122794195b
1316875251
14c8613cb
1584e5cdb
hex5a7ec17

94891031 has 8 divisors (see below), whose sum is σ = 102211584. Its totient is φ = 87836760.

The previous prime is 94891009. The next prime is 94891033. The reversal of 94891031 is 13019849.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94891031 - 210 = 94890007 is a prime.

It is a super-2 number, since 2×948910312 = 18008615528485922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 94890982 and 94891000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94891033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65831 + ... + 67256.

It is an arithmetic number, because the mean of its divisors is an integer number (12776448).

Almost surely, 294891031 is an apocalyptic number.

94891031 is a deficient number, since it is larger than the sum of its proper divisors (7320553).

94891031 is a wasteful number, since it uses less digits than its factorization.

94891031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133141.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 94891031 is about 9741.2027491476. The cubic root of 94891031 is about 456.1157354098.

The spelling of 94891031 in words is "ninety-four million, eight hundred ninety-one thousand, thirty-one".

Divisors: 1 23 31 713 133087 3061001 4125697 94891031