Search a number
-
+
41390031 = 3106312979
BaseRepresentation
bin1001110111100…
…0111111001111
32212212211110010
42131320333033
541043440111
64035044303
71011544434
oct235707717
985784403
1041390031
11213aaa41
1211a40693
138762457
1456d5b8b
153978aa6
hex2778fcf

41390031 has 8 divisors (see below), whose sum is σ = 55242880. Its totient is φ = 27565272.

The previous prime is 41390023. The next prime is 41390039. The reversal of 41390031 is 13009314.

It is an interprime number because it is at equal distance from previous prime (41390023) and next prime (41390039).

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

It is not a de Polignac number, because 41390031 - 23 = 41390023 is a prime.

It is a super-2 number, since 2×413900312 = 3426269332361922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41390039) 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, 3301 + ... + 9678.

It is an arithmetic number, because the mean of its divisors is an integer number (6905360).

Almost surely, 241390031 is an apocalyptic number.

41390031 is a deficient number, since it is larger than the sum of its proper divisors (13852849).

41390031 is a wasteful number, since it uses less digits than its factorization.

41390031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 41390031 is about 6433.5084518480. The cubic root of 41390031 is about 345.9116990972.

Adding to 41390031 its reverse (13009314), we get a palindrome (54399345).

The spelling of 41390031 in words is "forty-one million, three hundred ninety thousand, thirty-one".

Divisors: 1 3 1063 3189 12979 38937 13796677 41390031