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52137370 = 255213737
BaseRepresentation
bin1100011011100…
…0110110011010
310122002212000201
43012320312122
5101321343440
65101252414
71202105665
oct306706632
9118085021
1052137370
112748063a
121556410a
13aa5621c
146cd26dc
15489d19a
hex31b8d9a

52137370 has 8 divisors (see below), whose sum is σ = 93847284. Its totient is φ = 20854944.

The previous prime is 52137367. The next prime is 52137391. The reversal of 52137370 is 7373125.

It can be written as a sum of positive squares in 2 ways, for example, as 52113961 + 23409 = 7219^2 + 153^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606859 + ... + 2606878.

Almost surely, 252137370 is an apocalyptic number.

52137370 is a deficient number, since it is larger than the sum of its proper divisors (41709914).

52137370 is a wasteful number, since it uses less digits than its factorization.

52137370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213744.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 52137370 is about 7220.6211644152. The cubic root of 52137370 is about 373.5795029999.

The spelling of 52137370 in words is "fifty-two million, one hundred thirty-seven thousand, three hundred seventy".

Divisors: 1 2 5 10 5213737 10427474 26068685 52137370