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52981542 = 2323194949
BaseRepresentation
bin1100101000011…
…0111100100110
310200200202000100
43022012330212
5102030402132
65131324530
71212223065
oct312067446
9120622010
1052981542
11279a78a9
12158b0746
13ac90533
1470721dc
1549b837c
hex3286f26

52981542 has 24 divisors (see below), whose sum is σ = 118497600. Its totient is φ = 17090640.

The previous prime is 52981541. The next prime is 52981543. The reversal of 52981542 is 24518925.

52981542 is a `hidden beast` number, since 529 + 81 + 54 + 2 = 666.

52981542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52981541) and next prime (52981543).

It is a junction number, because it is equal to n+sod(n) for n = 52981497 and 52981506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52981541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46917 + ... + 48032.

It is an arithmetic number, because the mean of its divisors is an integer number (4937400).

Almost surely, 252981542 is an apocalyptic number.

52981542 is an abundant number, since it is smaller than the sum of its proper divisors (65516058).

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

52981542 is a wasteful number, since it uses less digits than its factorization.

52981542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94988 (or 94985 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 52981542 is about 7278.8420782429. The cubic root of 52981542 is about 375.5849643700.

The spelling of 52981542 in words is "fifty-two million, nine hundred eighty-one thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 94949 189898 284847 569694 854541 1709082 2943419 5886838 8830257 17660514 26490771 52981542