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89428107 = 329809369
BaseRepresentation
bin1010101010010…
…01000010001011
320020021102022010
411111021002023
5140343144412
612512431003
72134061226
oct525110213
9206242263
1089428107
114653072a
1225b48463
13156b1852
14bc3c5bd
157cb733c
hex554908b

89428107 has 4 divisors (see below), whose sum is σ = 119237480. Its totient is φ = 59618736.

The previous prime is 89428091. The next prime is 89428123. The reversal of 89428107 is 70182498.

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

It is an interprime number because it is at equal distance from previous prime (89428091) and next prime (89428123).

It is not a de Polignac number, because 89428107 - 24 = 89428091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89428147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14904682 + ... + 14904687.

It is an arithmetic number, because the mean of its divisors is an integer number (29809370).

Almost surely, 289428107 is an apocalyptic number.

89428107 is a deficient number, since it is larger than the sum of its proper divisors (29809373).

89428107 is a wasteful number, since it uses less digits than its factorization.

89428107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29809372.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 89428107 is about 9456.6435377464. The cubic root of 89428107 is about 447.1892406737.

The spelling of 89428107 in words is "eighty-nine million, four hundred twenty-eight thousand, one hundred seven".

Divisors: 1 3 29809369 89428107