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45297861 = 372157041
BaseRepresentation
bin1010110011001…
…1000011000101
310011020100222120
42230303003011
543044012421
64254520153
71060011510
oct254630305
9104210876
1045297861
1123629a54
1213206059
13950008b
146031d77
153e9b8c6
hex2b330c5

45297861 has 8 divisors (see below), whose sum is σ = 69025344. Its totient is φ = 25884480.

The previous prime is 45297859. The next prime is 45297869. The reversal of 45297861 is 16879254.

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

It is not a de Polignac number, because 45297861 - 21 = 45297859 is a prime.

It is a super-2 number, since 2×452978612 = 4103792422350642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45297869) 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, 1078500 + ... + 1078541.

It is an arithmetic number, because the mean of its divisors is an integer number (8628168).

Almost surely, 245297861 is an apocalyptic number.

It is an amenable number.

45297861 is a deficient number, since it is larger than the sum of its proper divisors (23727483).

45297861 is a wasteful number, since it uses less digits than its factorization.

45297861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157051.

The product of its digits is 120960, while the sum is 42.

The square root of 45297861 is about 6730.3685634592. The cubic root of 45297861 is about 356.4723902906.

The spelling of 45297861 in words is "forty-five million, two hundred ninety-seven thousand, eight hundred sixty-one".

Divisors: 1 3 7 21 2157041 6471123 15099287 45297861