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52308199 = 2912131487
BaseRepresentation
bin1100011110001…
…0100011100111
310122102112100201
43013202203213
5101342330244
65105051331
71203420016
oct307424347
9118375321
1052308199
1127587a19
1215626b47
13aab5bc8
146d38a7d
1548d3ad4
hex31e28e7

52308199 has 8 divisors (see below), whose sum is σ = 54192960. Its totient is φ = 50428896.

The previous prime is 52308163. The next prime is 52308209. The reversal of 52308199 is 99180325.

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

It is a cyclic number.

It is not a de Polignac number, because 52308199 - 27 = 52308071 is a prime.

It is a super-2 number, since 2×523081992 = 5472295365247202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52308499) 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, 34434 + ... + 35920.

It is an arithmetic number, because the mean of its divisors is an integer number (6774120).

Almost surely, 252308199 is an apocalyptic number.

52308199 is a deficient number, since it is larger than the sum of its proper divisors (1884761).

52308199 is a wasteful number, since it uses less digits than its factorization.

52308199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 52308199 is about 7232.4407360171. The cubic root of 52308199 is about 373.9870714358.

The spelling of 52308199 in words is "fifty-two million, three hundred eight thousand, one hundred ninety-nine".

Divisors: 1 29 1213 1487 35177 43123 1803731 52308199