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70528000 = 210531929
BaseRepresentation
bin1000011010000…
…10110000000000
311220201012020011
410031002300000
5121023344000
610555354304
71514322664
oct415026000
9156635204
1070528000
11368a1804
121b752994
13117c4c5a
14951c8a4
1562d22ba
hex4342c00

70528000 has 176 divisors, whose sum is σ = 191599200. Its totient is φ = 25804800.

The previous prime is 70527983. The next prime is 70528009. The reversal of 70528000 is 82507.

It is not an unprimeable number, because it can be changed into a prime (70528009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431986 + ... + 2432014.

Almost surely, 270528000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95799600).

70528000 is an abundant number, since it is smaller than the sum of its proper divisors (121071200).

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

70528000 is a wasteful number, since it uses less digits than its factorization.

70528000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 70528000 is about 8398.0950220869. The cubic root of 70528000 is about 413.1621443940.

The spelling of 70528000 in words is "seventy million, five hundred twenty-eight thousand".