Search a number
-
+
89794431 = 3224141399
BaseRepresentation
bin1010101101000…
…10011101111111
320020222000210200
411112202131333
5140441410211
612524334543
72140145226
oct526423577
9206860720
1089794431
1146760981
12260a4453
13157ac4cc
14bcd5cbd
157d3ab56
hex55a277f

89794431 has 12 divisors (see below), whose sum is σ = 130244400. Its totient is φ = 59613120.

The previous prime is 89794429. The next prime is 89794447. The reversal of 89794431 is 13449798.

It is not a de Polignac number, because 89794431 - 21 = 89794429 is a prime.

It is a super-2 number, since 2×897944312 = 16126079677227522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89794421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18531 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (10853700).

Almost surely, 289794431 is an apocalyptic number.

89794431 is a deficient number, since it is larger than the sum of its proper divisors (40449969).

89794431 is a wasteful number, since it uses less digits than its factorization.

89794431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41646 (or 41643 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 89794431 is about 9475.9923490894. The cubic root of 89794431 is about 447.7990153285.

The spelling of 89794431 in words is "eighty-nine million, seven hundred ninety-four thousand, four hundred thirty-one".

Divisors: 1 3 9 241 723 2169 41399 124197 372591 9977159 29931477 89794431