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5718031 = 1119109251
BaseRepresentation
bin10101110100000000001111
3101202111122221
4111310000033
52430434111
6322320211
766413434
oct25640017
911674587
105718031
113256050
121ab9067
131252867
14a8bb8b
1577e371
hex57400f

5718031 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 4860000.

The previous prime is 5718029. The next prime is 5718047. The reversal of 5718031 is 1308175.

It is a 5-Lehmer number, since φ(5718031) divides (5718031-1)5.

It is a cyclic number.

It is not a de Polignac number, because 5718031 - 21 = 5718029 is a prime.

It is a super-2 number, since 2×57180312 = 65391757033922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5717987 and 5718005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5718061) 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, 22656 + ... + 22906.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 25718031 is an apocalyptic number.

5718031 is a deficient number, since it is larger than the sum of its proper divisors (934769).

5718031 is a wasteful number, since it uses less digits than its factorization.

5718031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 5718031 is about 2391.2404730600. The cubic root of 5718031 is about 178.8197576039.

The spelling of 5718031 in words is "five million, seven hundred eighteen thousand, thirty-one".

Divisors: 1 11 19 109 209 251 1199 2071 2761 4769 22781 27359 52459 300949 519821 5718031