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52402672 = 247467881
BaseRepresentation
bin1100011111100…
…1100111110000
310122121022221201
43013321213300
5101403341142
65111100544
71204262320
oct307714760
9118538851
1052402672
11276419a3
1215671754
13ab19bca
146d61280
154901ab7
hex31f99f0

52402672 has 20 divisors (see below), whose sum is σ = 116034736. Its totient is φ = 22458240.

The previous prime is 52402639. The next prime is 52402673. The reversal of 52402672 is 27620425.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 52402672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52402673) 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, 233829 + ... + 234052.

Almost surely, 252402672 is an apocalyptic number.

It is an amenable number.

52402672 is an abundant number, since it is smaller than the sum of its proper divisors (63632064).

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

52402672 is a wasteful number, since it uses less digits than its factorization.

52402672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467896 (or 467890 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 52402672 is about 7238.9689873628. The cubic root of 52402672 is about 374.2120867102.

The spelling of 52402672 in words is "fifty-two million, four hundred two thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 467881 935762 1871524 3275167 3743048 6550334 7486096 13100668 26201336 52402672