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91412052 = 22337205883
BaseRepresentation
bin1010111001011…
…01011001010100
320101000012202120
411130231121110
5141400141202
613023135540
72156663304
oct534553124
9211005676
1091412052
1147666256
12267445b0
1315c27894
14c1d7604
15805a0bc
hex572d654

91412052 has 24 divisors (see below), whose sum is σ = 219060576. Its totient is φ = 29647008.

The previous prime is 91412047. The next prime is 91412071. The reversal of 91412052 is 25021419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102498 + ... + 103385.

It is an arithmetic number, because the mean of its divisors is an integer number (9127524).

Almost surely, 291412052 is an apocalyptic number.

It is an amenable number.

91412052 is an abundant number, since it is smaller than the sum of its proper divisors (127648524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91412052 is a wasteful number, since it uses less digits than its factorization.

91412052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205927 (or 205925 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 91412052 is about 9560.9650140559. The cubic root of 91412052 is about 450.4720182932.

The spelling of 91412052 in words is "ninety-one million, four hundred twelve thousand, fifty-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 205883 411766 617649 823532 1235298 2470596 7617671 15235342 22853013 30470684 45706026 91412052