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90963146 = 21943179311
BaseRepresentation
bin1010110101111…
…11110011001010
320100011101222102
411122333303022
5141241310041
613005353402
72153113451
oct532776312
9210141872
1090963146
1147389a5a
1226568862
1315acb461
14c11bb98
157ebc09b
hex56bfcca

90963146 has 32 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 41716080.

The previous prime is 90963109. The next prime is 90963149. The reversal of 90963146 is 64136909.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (90963149) 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 15 ways as a sum of consecutive naturals, for example, 292331 + ... + 292641.

It is an arithmetic number, because the mean of its divisors is an integer number (4633200).

Almost surely, 290963146 is an apocalyptic number.

90963146 is a deficient number, since it is larger than the sum of its proper divisors (57299254).

90963146 is a wasteful number, since it uses less digits than its factorization.

90963146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90963146 is about 9537.4601440845. The cubic root of 90963146 is about 449.7334157667.

The spelling of 90963146 in words is "ninety million, nine hundred sixty-three thousand, one hundred forty-six".

Divisors: 1 2 19 38 43 86 179 311 358 622 817 1634 3401 5909 6802 7697 11818 13373 15394 26746 55669 111338 146243 254087 292486 508174 1057711 2115422 2393767 4787534 45481573 90963146