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45031085 = 5111037949
BaseRepresentation
bin1010101111000…
…1111010101101
310010201211000222
42223301322231
543011443320
64245101125
71054520651
oct253617255
9103654028
1045031085
1123467580
12130b77a5
139438818
145da2a61
153e47825
hex2af1ead

45031085 has 16 divisors (see below), whose sum is σ = 59529600. Its totient is φ = 32427840.

The previous prime is 45031081. The next prime is 45031099. The reversal of 45031085 is 58013054.

It is not a de Polignac number, because 45031085 - 22 = 45031081 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (3720600).

Almost surely, 245031085 is an apocalyptic number.

It is an amenable number.

45031085 is a deficient number, since it is larger than the sum of its proper divisors (14498515).

45031085 is a wasteful number, since it uses less digits than its factorization.

45031085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 45031085 is about 6710.5204716177. The cubic root of 45031085 is about 355.7712123596.

The spelling of 45031085 in words is "forty-five million, thirty-one thousand, eighty-five".

Divisors: 1 5 11 55 103 515 1133 5665 7949 39745 87439 437195 818747 4093735 9006217 45031085