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45072083 = 717378757
BaseRepresentation
bin1010101111101…
…1111011010011
310010210220021102
42223323323103
543014301313
64250015015
71055051330
oct253737323
9103726242
1045072083
1123495361
121311746b
139451394
145db3987
153e54a58
hex2afbed3

45072083 has 8 divisors (see below), whose sum is σ = 54541152. Its totient is φ = 36360576.

The previous prime is 45072043. The next prime is 45072103. The reversal of 45072083 is 38027054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45072083 - 218 = 44809939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45072023) 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, 189260 + ... + 189497.

It is an arithmetic number, because the mean of its divisors is an integer number (6817644).

Almost surely, 245072083 is an apocalyptic number.

45072083 is a deficient number, since it is larger than the sum of its proper divisors (9469069).

45072083 is a wasteful number, since it uses less digits than its factorization.

45072083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378781.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 45072083 is about 6713.5745322444. The cubic root of 45072083 is about 355.8791487912.

The spelling of 45072083 in words is "forty-five million, seventy-two thousand, eighty-three".

Divisors: 1 7 17 119 378757 2651299 6438869 45072083