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70528782 = 2331379187
BaseRepresentation
bin1000011010000…
…10111100001110
311220201020022010
410031002330032
5121023410112
610555402050
71514325162
oct415027416
9156636263
1070528782
11368a2355
121b753326
13117c540c
14951cca2
1562d263c
hex4342f0e

70528782 has 16 divisors (see below), whose sum is σ = 145608192. Its totient is φ = 22751160.

The previous prime is 70528769. The next prime is 70528807. The reversal of 70528782 is 28782507.

It is a self number, because there is not a number n which added to its sum of digits gives 70528782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189408 + ... + 189779.

It is an arithmetic number, because the mean of its divisors is an integer number (9100512).

Almost surely, 270528782 is an apocalyptic number.

70528782 is an abundant number, since it is smaller than the sum of its proper divisors (75079410).

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

70528782 is a wasteful number, since it uses less digits than its factorization.

70528782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379223.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 70528782 is about 8398.1415801355. The cubic root of 70528782 is about 413.1636714074.

The spelling of 70528782 in words is "seventy million, five hundred twenty-eight thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 31 62 93 186 379187 758374 1137561 2275122 11754797 23509594 35264391 70528782