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45917397 = 3223921347
BaseRepresentation
bin1010111100101…
…0010011010101
310012101211211100
42233022103111
543223324042
64320100313
71065201651
oct257122325
9105354740
1045917397
1123a12469
1213464699
139689076
146153a61
15407024c
hex2bca4d5

45917397 has 12 divisors (see below), whose sum is σ = 66605760. Its totient is φ = 30482088.

The previous prime is 45917387. The next prime is 45917401. The reversal of 45917397 is 79371954.

It is a de Polignac number, because none of the positive numbers 2k-45917397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45917387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8523 + ... + 12824.

It is an arithmetic number, because the mean of its divisors is an integer number (5550480).

Almost surely, 245917397 is an apocalyptic number.

It is an amenable number.

45917397 is a deficient number, since it is larger than the sum of its proper divisors (20688363).

45917397 is a wasteful number, since it uses less digits than its factorization.

45917397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592 (or 21589 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 45917397 is about 6776.2376729274. The cubic root of 45917397 is about 358.0901872175.

The spelling of 45917397 in words is "forty-five million, nine hundred seventeen thousand, three hundred ninety-seven".

Divisors: 1 3 9 239 717 2151 21347 64041 192123 5101933 15305799 45917397