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91041952 = 252845061
BaseRepresentation
bin1010110110100…
…11000010100000
320100022102002011
411123103002200
5141301320302
613011202304
72153562301
oct533230240
9210272064
1091041952
1147433191
12265a6394
1315b282a1
14c13c7a8
157ed55d7
hex56d30a0

91041952 has 12 divisors (see below), whose sum is σ = 179238906. Its totient is φ = 45520960.

The previous prime is 91041917. The next prime is 91041959. The reversal of 91041952 is 25914019.

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 23078416 = 8244^2 + 4804^2 .

It is not an unprimeable number, because it can be changed into a prime (91041959) 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 as a sum of consecutive naturals, namely, 1422499 + ... + 1422562.

Almost surely, 291041952 is an apocalyptic number.

It is an amenable number.

91041952 is a deficient number, since it is larger than the sum of its proper divisors (88196954).

91041952 is a wasteful number, since it uses less digits than its factorization.

91041952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845071 (or 2845063 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 91041952 is about 9541.5906430741. The cubic root of 91041952 is about 449.8632539230.

The spelling of 91041952 in words is "ninety-one million, forty-one thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 2845061 5690122 11380244 22760488 45520976 91041952