Search a number
-
+
40924531 = 131312401
BaseRepresentation
bin1001110000011…
…1010101110011
32212000011220101
42130013111303
540434041111
64021053231
71004565334
oct234072563
985004811
1040924531
112111222a
1211857217
13862b5cb
14561428b
1538d5bc1
hex2707573

40924531 has 4 divisors (see below), whose sum is σ = 41237064. Its totient is φ = 40612000.

The previous prime is 40924529. The next prime is 40924571. The reversal of 40924531 is 13542904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40924531 - 21 = 40924529 is a prime.

It is a super-2 number, since 2×409245312 = 3349634475139922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40924531.

It is not an unprimeable number, because it can be changed into a prime (40924571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156070 + ... + 156331.

It is an arithmetic number, because the mean of its divisors is an integer number (10309266).

Almost surely, 240924531 is an apocalyptic number.

40924531 is a deficient number, since it is larger than the sum of its proper divisors (312533).

40924531 is a wasteful number, since it uses less digits than its factorization.

40924531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312532.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40924531 is about 6397.2283842302. The cubic root of 40924531 is about 344.6100221345.

The spelling of 40924531 in words is "forty million, nine hundred twenty-four thousand, five hundred thirty-one".

Divisors: 1 131 312401 40924531