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91489034 = 2713502687
BaseRepresentation
bin1010111010000…
…00001100001010
320101011010100202
411131000030022
5141410122114
613024532202
72160433610
oct535001412
9211133322
1091489034
114770907a
1226781062
1315c53930
14c2176b0
158072cde
hex574030a

91489034 has 16 divisors (see below), whose sum is σ = 168903168. Its totient is φ = 36193392.

The previous prime is 91489007. The next prime is 91489037. The reversal of 91489034 is 43098419.

It is a super-4 number, since 4×914890344 (a number of 33 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91489037) 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, 251162 + ... + 251525.

It is an arithmetic number, because the mean of its divisors is an integer number (10556448).

Almost surely, 291489034 is an apocalyptic number.

91489034 is a deficient number, since it is larger than the sum of its proper divisors (77414134).

91489034 is a wasteful number, since it uses less digits than its factorization.

91489034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502709.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 91489034 is about 9564.9900156770. The cubic root of 91489034 is about 450.5984367323.

The spelling of 91489034 in words is "ninety-one million, four hundred eighty-nine thousand, thirty-four".

Divisors: 1 2 7 13 14 26 91 182 502687 1005374 3518809 6534931 7037618 13069862 45744517 91489034