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971980552 = 23235282503
BaseRepresentation
bin111001111011110…
…011111100001000
32111201221201122201
4321323303330020
53442311334202
6240240525544
733041461354
oct7173637410
92451851581
10971980552
11459726414
122316208b4
131264a982a
1493136464
155a4e9387
hex39ef3f08

971980552 has 16 divisors (see below), whose sum is σ = 1901701440. Its totient is φ = 464860176.

The previous prime is 971980531. The next prime is 971980567. The reversal of 971980552 is 255089179.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641068 + ... + 2641435.

It is an arithmetic number, because the mean of its divisors is an integer number (118856340).

Almost surely, 2971980552 is an apocalyptic number.

971980552 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

971980552 is a deficient number, since it is larger than the sum of its proper divisors (929720888).

971980552 is a wasteful number, since it uses less digits than its factorization.

971980552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282532 (or 5282528 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 971980552 is about 31176.6026372342. The cubic root of 971980552 is about 990.5715680522.

The spelling of 971980552 in words is "nine hundred seventy-one million, nine hundred eighty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 23 46 92 184 5282503 10565006 21130012 42260024 121497569 242995138 485990276 971980552