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55980970 = 2559239397
BaseRepresentation
bin1101010110001…
…1001110101010
310220100010110021
43111203032222
5103312342340
65315511054
71246554553
oct325431652
9126303407
1055980970
1129666371
12168b848a
13b7a0846
14761332a
154dabe4a
hex35633aa

55980970 has 32 divisors (see below), whose sum is σ = 103161600. Its totient is φ = 21865536.

The previous prime is 55980961. The next prime is 55980971. The reversal of 55980970 is 7908955.

It is not an unprimeable number, because it can be changed into a prime (55980971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140812 + ... + 141208.

It is an arithmetic number, because the mean of its divisors is an integer number (3223800).

Almost surely, 255980970 is an apocalyptic number.

55980970 is a deficient number, since it is larger than the sum of its proper divisors (47180630).

55980970 is a wasteful number, since it uses less digits than its factorization.

55980970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 55980970 is about 7482.0431701508. The cubic root of 55980970 is about 382.5428946441.

The spelling of 55980970 in words is "fifty-five million, nine hundred eighty thousand, nine hundred seventy".

Divisors: 1 2 5 10 59 118 239 295 397 478 590 794 1195 1985 2390 3970 14101 23423 28202 46846 70505 94883 117115 141010 189766 234230 474415 948830 5598097 11196194 27990485 55980970