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90941 = 211431
BaseRepresentation
bin10110001100111101
311121202012
4112030331
510402231
61541005
7526064
oct261475
9147665
1090941
1162364
1244765
1332516
14251db
151be2b
hex1633d

90941 has 4 divisors (see below), whose sum is σ = 91584. Its totient is φ = 90300.

The previous prime is 90931. The next prime is 90947. The reversal of 90941 is 14909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14909 = 17877.

It is a cyclic number.

It is not a de Polignac number, because 90941 - 210 = 89917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90947) 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, 5 + ... + 426.

It is an arithmetic number, because the mean of its divisors is an integer number (22896).

290941 is an apocalyptic number.

It is an amenable number.

90941 is a deficient number, since it is larger than the sum of its proper divisors (643).

90941 is a wasteful number, since it uses less digits than its factorization.

90941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 90941 is about 301.5642551762. The cubic root of 90941 is about 44.9696915253.

The spelling of 90941 in words is "ninety thousand, nine hundred forty-one".

Divisors: 1 211 431 90941