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56969298 = 2332345869
BaseRepresentation
bin1101100101010…
…0100001010010
310222012100012000
43121110201102
5104041004143
65353014430
71261142151
oct331244122
9128170160
1056969298
112a180971
12170b4416
13ba58659
1477cd598
155004bd3
hex3654852

56969298 has 32 divisors (see below), whose sum is σ = 132105600. Its totient is φ = 18163728.

The previous prime is 56969293. The next prime is 56969309. The reversal of 56969298 is 89296965.

It is a super-2 number, since 2×569692982 = 6491001829225608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56969293) 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 in 15 ways as a sum of consecutive naturals, for example, 21693 + ... + 24176.

It is an arithmetic number, because the mean of its divisors is an integer number (4128300).

Almost surely, 256969298 is an apocalyptic number.

56969298 is an abundant number, since it is smaller than the sum of its proper divisors (75136302).

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

56969298 is a wasteful number, since it uses less digits than its factorization.

56969298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45903 (or 45897 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 56969298 is about 7547.8008717772. The cubic root of 56969298 is about 384.7810032432.

The spelling of 56969298 in words is "fifty-six million, nine hundred sixty-nine thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 45869 91738 137607 275214 412821 825642 1054987 1238463 2109974 2476926 3164961 6329922 9494883 18989766 28484649 56969298