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44972457 = 366122679
BaseRepresentation
bin1010101110001…
…1100110101001
310010121211121120
42223203212221
543003104312
64243525453
71054155015
oct253434651
9103554546
1044972457
1123427522
1213089889
139417c2a
145d89545
153e3528c
hex2ae39a9

44972457 has 8 divisors (see below), whose sum is σ = 60056640. Its totient is φ = 29934960.

The previous prime is 44972443. The next prime is 44972479. The reversal of 44972457 is 75427944.

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

It is not a de Polignac number, because 44972457 - 24 = 44972441 is a prime.

It is a super-3 number, since 3×449724573 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (44972437) 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, 9357 + ... + 13322.

It is an arithmetic number, because the mean of its divisors is an integer number (7507080).

Almost surely, 244972457 is an apocalyptic number.

It is an amenable number.

44972457 is a deficient number, since it is larger than the sum of its proper divisors (15084183).

44972457 is a wasteful number, since it uses less digits than its factorization.

44972457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343.

The product of its digits is 282240, while the sum is 42.

The square root of 44972457 is about 6706.1506842599. The cubic root of 44972457 is about 355.6167471108.

The spelling of 44972457 in words is "forty-four million, nine hundred seventy-two thousand, four hundred fifty-seven".

Divisors: 1 3 661 1983 22679 68037 14990819 44972457