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970217028 = 223411272227
BaseRepresentation
bin111001110101000…
…101011001000100
32111121122010120000
4321311011121010
53441333421103
6240135041300
733020465034
oct7165053104
92447563500
10970217028
11458731460
12230b10230
1312600cc21
1492bd78c4
155a29baa3
hex39d45644

970217028 has 60 divisors (see below), whose sum is σ = 2766925392. Its totient is φ = 294004080.

The previous prime is 970217021. The next prime is 970217029. The reversal of 970217028 is 820712079.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 970216983 and 970217001.

It is not an unprimeable number, because it can be changed into a prime (970217021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 132550 + ... + 139677.

Almost surely, 2970217028 is an apocalyptic number.

It is an amenable number.

970217028 is an abundant number, since it is smaller than the sum of its proper divisors (1796708364).

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

970217028 is a wasteful number, since it uses less digits than its factorization.

970217028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272254 (or 272243 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 970217028 is about 31148.3069844895. The cubic root of 970217028 is about 989.9721204270.

The spelling of 970217028 in words is "nine hundred seventy million, two hundred seventeen thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 297 324 396 594 891 1188 1782 3564 272227 544454 816681 1088908 1633362 2450043 2994497 3266724 4900086 5988994 7350129 8983491 9800172 11977988 14700258 17966982 22050387 26950473 29400516 35933964 44100774 53900946 80851419 88201548 107801892 161702838 242554257 323405676 485108514 970217028