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52956940 = 2252647847
BaseRepresentation
bin1100101000000…
…0111100001100
310200122111021011
43022000330030
5102024110230
65131015004
71212061261
oct312007414
9120574234
1052956940
1127990373
121589a464
13ac8228a
147067268
1549b0e2a
hex3280f0c

52956940 has 12 divisors (see below), whose sum is σ = 111209616. Its totient is φ = 21182768.

The previous prime is 52956931. The next prime is 52956947. The reversal of 52956940 is 4965925.

It is a junction number, because it is equal to n+sod(n) for n = 52956893 and 52956902.

It is not an unprimeable number, because it can be changed into a prime (52956947) 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, 1323904 + ... + 1323943.

It is an arithmetic number, because the mean of its divisors is an integer number (9267468).

Almost surely, 252956940 is an apocalyptic number.

It is an amenable number.

52956940 is an abundant number, since it is smaller than the sum of its proper divisors (58252676).

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

52956940 is a wasteful number, since it uses less digits than its factorization.

52956940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647856 (or 2647854 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 52956940 is about 7277.1519154131. The cubic root of 52956940 is about 375.5268210272.

The spelling of 52956940 in words is "fifty-two million, nine hundred fifty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 2647847 5295694 10591388 13239235 26478470 52956940