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52406148 = 2234367179
BaseRepresentation
bin1100011111101…
…0011110000100
310122121111201110
43013322132010
5101403444043
65111125020
71204305414
oct307723604
9118544643
1052406148
1127644573
1215673770
13ab1b672
146d62644
154902b33
hex31fa784

52406148 has 12 divisors (see below), whose sum is σ = 122281040. Its totient is φ = 17468712.

The previous prime is 52406143. The next prime is 52406149. The reversal of 52406148 is 84160425.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (52406143) 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, 2183578 + ... + 2183601.

Almost surely, 252406148 is an apocalyptic number.

It is an amenable number.

52406148 is an abundant number, since it is smaller than the sum of its proper divisors (69874892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52406148 is a wasteful number, since it uses less digits than its factorization.

52406148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367186 (or 4367184 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 52406148 is about 7239.2090728200. The cubic root of 52406148 is about 374.2203606678.

The spelling of 52406148 in words is "fifty-two million, four hundred six thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 4367179 8734358 13101537 17468716 26203074 52406148