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70328592 = 24321728729
BaseRepresentation
bin1000011000100…
…10000100010000
311220100001200200
410030102010100
5121001003332
610551215200
71512532425
oct414220420
9156301620
1070328592
1136775a04
121b677500
1311755269
1494a9d4c
15629317c
hex4312110

70328592 has 60 divisors (see below), whose sum is σ = 208407420. Its totient is φ = 22063104.

The previous prime is 70328581. The next prime is 70328593. The reversal of 70328592 is 29582307.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40908816 + 29419776 = 6396^2 + 5424^2 .

It is a super-2 number, since 2×703285922 = 9892221705404928, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (70328593) 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 11 ways as a sum of consecutive naturals, for example, 11917 + ... + 16812.

It is an arithmetic number, because the mean of its divisors is an integer number (3473457).

Almost surely, 270328592 is an apocalyptic number.

70328592 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70328592 is an abundant number, since it is smaller than the sum of its proper divisors (138078828).

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

70328592 is a wasteful number, since it uses less digits than its factorization.

70328592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28760 (or 28751 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70328592 is about 8386.2144022199. The cubic root of 70328592 is about 412.7723908883.

The spelling of 70328592 in words is "seventy million, three hundred twenty-eight thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 28729 57458 86187 114916 172374 229832 258561 344748 459664 488393 517122 689496 976786 1034244 1378992 1465179 1953572 2068488 2930358 3907144 4136976 4395537 5860716 7814288 8791074 11721432 17582148 23442864 35164296 70328592