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45303293 = 72924557
BaseRepresentation
bin1010110011010…
…0010111111101
310011020122102202
42230310113331
543044201133
64255001245
71060033400
oct254642775
9104218382
1045303293
1123633042
1213209225
1395026a9
146033d37
153e9d2e8
hex2b345fd

45303293 has 6 divisors (see below), whose sum is σ = 52699806. Its totient is φ = 38831352.

The previous prime is 45303263. The next prime is 45303311. The reversal of 45303293 is 39230354.

It can be written as a sum of positive squares in only one way, i.e., 42016324 + 3286969 = 6482^2 + 1813^2 .

It is not a de Polignac number, because 45303293 - 26 = 45303229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45303233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 462230 + ... + 462327.

It is an arithmetic number, because the mean of its divisors is an integer number (8783301).

Almost surely, 245303293 is an apocalyptic number.

It is an amenable number.

45303293 is a deficient number, since it is larger than the sum of its proper divisors (7396513).

45303293 is an equidigital number, since it uses as much as digits as its factorization.

45303293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924571 (or 924564 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 45303293 is about 6730.7720953840. The cubic root of 45303293 is about 356.4866387973.

The spelling of 45303293 in words is "forty-five million, three hundred three thousand, two hundred ninety-three".

Divisors: 1 7 49 924557 6471899 45303293