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52169864 = 2322928477
BaseRepresentation
bin1100011100000…
…0110010001000
310122011111121012
43013000302020
5101323413424
65102103052
71202302505
oct307006210
9118144535
1052169864
11274a2a9a
121557aa88
13aa67c56
146d004ac
1548a7b0e
hex31c0c88

52169864 has 16 divisors (see below), whose sum is σ = 98249100. Its totient is φ = 25970112.

The previous prime is 52169863. The next prime is 52169867. The reversal of 52169864 is 46896125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49420900 + 2748964 = 7030^2 + 1658^2 .

It is a super-3 number, since 3×521698643 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52169863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12407 + ... + 16070.

Almost surely, 252169864 is an apocalyptic number.

It is an amenable number.

52169864 is a deficient number, since it is larger than the sum of its proper divisors (46079236).

52169864 is a wasteful number, since it uses less digits than its factorization.

52169864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28712 (or 28708 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 52169864 is about 7222.8708973648. The cubic root of 52169864 is about 373.6570965533.

The spelling of 52169864 in words is "fifty-two million, one hundred sixty-nine thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 229 458 916 1832 28477 56954 113908 227816 6521233 13042466 26084932 52169864