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91514041 = 731279871
BaseRepresentation
bin1010111010001…
…10010010111001
320101012101122221
411131012102321
5141411422131
613025244041
72160566533
oct535062271
9211171587
1091514041
1147725943
1226793621
1315c62128
14c222853
15807a411
hex57464b9

91514041 has 8 divisors (see below), whose sum is σ = 93507584. Its totient is φ = 89540640.

The previous prime is 91514023. The next prime is 91514047. The reversal of 91514041 is 14041519.

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 91514041 - 29 = 91513529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91513997 and 91514015.

It is not an unprimeable number, because it can be changed into a prime (91514047) 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, 4336 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (11688448).

Almost surely, 291514041 is an apocalyptic number.

It is an amenable number.

91514041 is a deficient number, since it is larger than the sum of its proper divisors (1993543).

91514041 is a wasteful number, since it uses less digits than its factorization.

91514041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 91514041 is about 9566.2971415276. The cubic root of 91514041 is about 450.6394875123.

The spelling of 91514041 in words is "ninety-one million, five hundred fourteen thousand, forty-one".

Divisors: 1 73 127 9271 9871 720583 1253617 91514041