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52972305 = 353531487
BaseRepresentation
bin1100101000010…
…0101100010001
310200200021100020
43022010230101
5102030103210
65131214053
71212154131
oct312045421
9120607306
1052972305
11279a0971
12158a7329
13ac89279
14706cac1
1549b5770
hex3284b11

52972305 has 8 divisors (see below), whose sum is σ = 84755712. Its totient is φ = 28251888.

The previous prime is 52972303. The next prime is 52972307. The reversal of 52972305 is 50327925.

It is an interprime number because it is at equal distance from previous prime (52972303) and next prime (52972307).

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

It is not a de Polignac number, because 52972305 - 21 = 52972303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52972301) 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, 1765729 + ... + 1765758.

It is an arithmetic number, because the mean of its divisors is an integer number (10594464).

Almost surely, 252972305 is an apocalyptic number.

It is an amenable number.

52972305 is a deficient number, since it is larger than the sum of its proper divisors (31783407).

52972305 is a wasteful number, since it uses less digits than its factorization.

52972305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531495.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 52972305 is about 7278.2075403220. The cubic root of 52972305 is about 375.5631361394.

The spelling of 52972305 in words is "fifty-two million, nine hundred seventy-two thousand, three hundred five".

Divisors: 1 3 5 15 3531487 10594461 17657435 52972305