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89630149 = 723556709
BaseRepresentation
bin1010101011110…
…10010111000101
320020122200110011
411111322113011
5140421131044
612521030221
72135562250
oct525722705
9206580404
1089630149
1146659504
1226025371
13157527bb
14bc92097
157d07134
hex557a5c5

89630149 has 8 divisors (see below), whose sum is σ = 106888320. Its totient is φ = 73485456.

The previous prime is 89630147. The next prime is 89630153. The reversal of 89630149 is 94103698.

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

It is a cyclic number.

It is not a de Polignac number, because 89630149 - 21 = 89630147 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89630143) 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, 278194 + ... + 278515.

It is an arithmetic number, because the mean of its divisors is an integer number (13361040).

Almost surely, 289630149 is an apocalyptic number.

It is an amenable number.

89630149 is a deficient number, since it is larger than the sum of its proper divisors (17258171).

89630149 is a wasteful number, since it uses less digits than its factorization.

89630149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556739.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 89630149 is about 9467.3200537428. The cubic root of 89630149 is about 447.5257607175.

The spelling of 89630149 in words is "eighty-nine million, six hundred thirty thousand, one hundred forty-nine".

Divisors: 1 7 23 161 556709 3896963 12804307 89630149