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8942031 = 327141937
BaseRepresentation
bin100010000111…
…000111001111
3121211022011100
4202013013033
54242121111
6515354143
7136002030
oct42070717
917738140
108942031
11505830a
122bb2953
131b11157
14128aa87
15bb9756
hex8871cf

8942031 has 12 divisors (see below), whose sum is σ = 14761552. Its totient is φ = 5109696.

The previous prime is 8941993. The next prime is 8942039. The reversal of 8942031 is 1302498.

8942031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8942031 - 27 = 8941903 is a prime.

It is a super-2 number, since 2×89420312 = 159919836809922, 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 = 8941986 and 8942004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8942039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70906 + ... + 71031.

Almost surely, 28942031 is an apocalyptic number.

8942031 is a deficient number, since it is larger than the sum of its proper divisors (5819521).

8942031 is a wasteful number, since it uses less digits than its factorization.

8942031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141950 (or 141947 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8942031 is about 2990.3228922643. The cubic root of 8942031 is about 207.5608260252.

The spelling of 8942031 in words is "eight million, nine hundred forty-two thousand, thirty-one".

Divisors: 1 3 7 9 21 63 141937 425811 993559 1277433 2980677 8942031