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52046986 = 226023493
BaseRepresentation
bin1100011010001…
…0110010001010
310121221021001011
43012202302022
5101311000421
65055314134
71201251325
oct306426212
9117837034
1052046986
1127419742
121551b94a
13aa24044
146cab7bc
1548814e1
hex31a2c8a

52046986 has 4 divisors (see below), whose sum is σ = 78070482. Its totient is φ = 26023492.

The previous prime is 52046983. The next prime is 52046987. The reversal of 52046986 is 68964025.

52046986 = T5889 + T5890 + T5891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29909961 + 22137025 = 5469^2 + 4705^2 .

It is not an unprimeable number, because it can be changed into a prime (52046983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13011745 + ... + 13011748.

Almost surely, 252046986 is an apocalyptic number.

52046986 is the 5891-st centered triangular number.

52046986 is a deficient number, since it is larger than the sum of its proper divisors (26023496).

52046986 is a wasteful number, since it uses less digits than its factorization.

52046986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26023495.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 52046986 is about 7214.3597082485. The cubic root of 52046986 is about 373.3635022034.

The spelling of 52046986 in words is "fifty-two million, forty-six thousand, nine hundred eighty-six".

Divisors: 1 2 26023493 52046986