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52150797 = 343717401
BaseRepresentation
bin1100011011110…
…0001000001101
310122010112110000
43012330020031
5101322311142
65101434513
71202163066
oct306741015
9118115400
1052150797
112748a736
121556ba39
13aa5c37a
146cd756d
1548a214c
hex31bc20d

52150797 has 20 divisors (see below), whose sum is σ = 80014396. Its totient is φ = 33825600.

The previous prime is 52150793. The next prime is 52150807. The reversal of 52150797 is 79705125.

It can be written as a sum of positive squares in 2 ways, for example, as 39576681 + 12574116 = 6291^2 + 3546^2 .

It is not a de Polignac number, because 52150797 - 22 = 52150793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52150793) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5704 + ... + 11697.

Almost surely, 252150797 is an apocalyptic number.

It is an amenable number.

52150797 is a deficient number, since it is larger than the sum of its proper divisors (27863599).

52150797 is a wasteful number, since it uses less digits than its factorization.

52150797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450 (or 17441 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 52150797 is about 7221.5508722157. The cubic root of 52150797 is about 373.6115697079.

The spelling of 52150797 in words is "fifty-two million, one hundred fifty thousand, seven hundred ninety-seven".

Divisors: 1 3 9 27 37 81 111 333 999 2997 17401 52203 156609 469827 643837 1409481 1931511 5794533 17383599 52150797