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89779948 = 2223975869
BaseRepresentation
bin1010101100111…
…10111011101100
320020221021221021
411112132323230
5140440424243
612524143524
72140055056
oct526367354
9206837837
1089779948
1146751005
1226097ba4
13157a5a3b
14bcd08d6
157d366ed
hex559eeec

89779948 has 12 divisors (see below), whose sum is σ = 163946160. Its totient is φ = 42938192.

The previous prime is 89779927. The next prime is 89779951. The reversal of 89779948 is 84997798.

It is a super-3 number, since 3×897799483 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 487843 + ... + 488026.

It is an arithmetic number, because the mean of its divisors is an integer number (13662180).

Almost surely, 289779948 is an apocalyptic number.

It is an amenable number.

89779948 is a deficient number, since it is larger than the sum of its proper divisors (74166212).

89779948 is a wasteful number, since it uses less digits than its factorization.

89779948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975896 (or 975894 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 61.

The square root of 89779948 is about 9475.2281239029. The cubic root of 89779948 is about 447.7749387728.

The spelling of 89779948 in words is "eighty-nine million, seven hundred seventy-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 23 46 92 975869 1951738 3903476 22444987 44889974 89779948