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52972923 = 3121314557
BaseRepresentation
bin1100101000010…
…0110101111011
310200200022012010
43022010311323
5102030113143
65131221003
71212156003
oct312046573
9120608163
1052972923
11279a1383
12158a7763
13ac89633
14706d003
1549b5a33
hex3284d7b

52972923 has 8 divisors (see below), whose sum is σ = 70693648. Its totient is φ = 35283744.

The previous prime is 52972921. The next prime is 52972939. The reversal of 52972923 is 32927925.

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

It is not a de Polignac number, because 52972923 - 21 = 52972921 is a prime.

It is a super-2 number, since 2×529729232 = 5612261142327858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52972921) 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, 3640 + ... + 10917.

It is an arithmetic number, because the mean of its divisors is an integer number (8836706).

Almost surely, 252972923 is an apocalyptic number.

52972923 is a deficient number, since it is larger than the sum of its proper divisors (17720725).

52972923 is a wasteful number, since it uses less digits than its factorization.

52972923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773.

The product of its digits is 68040, while the sum is 39.

The square root of 52972923 is about 7278.2499957064. The cubic root of 52972923 is about 375.5645966329.

The spelling of 52972923 in words is "fifty-two million, nine hundred seventy-two thousand, nine hundred twenty-three".

Divisors: 1 3 1213 3639 14557 43671 17657641 52972923