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70920996 = 22319535869
BaseRepresentation
bin1000011101000…
…10101100100100
311221110011022120
410032202230210
5121123432441
611012025540
71520550516
oct416425444
9157404276
1070920996
113703aaa3
121b9022b0
1311901ab3
1495c1bb6
15635d966
hex43a2b24

70920996 has 48 divisors (see below), whose sum is σ = 177508800. Its totient is φ = 21969792.

The previous prime is 70920989. The next prime is 70921003. The reversal of 70920996 is 69902907.

It is an interprime number because it is at equal distance from previous prime (70920989) and next prime (70921003).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9150 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (3698100).

Almost surely, 270920996 is an apocalyptic number.

70920996 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70920996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88754400).

70920996 is an abundant number, since it is smaller than the sum of its proper divisors (106587804).

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

70920996 is a wasteful number, since it uses less digits than its factorization.

70920996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948 (or 5946 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 70920996 is about 8421.4604434148. The cubic root of 70920996 is about 413.9281305382.

The spelling of 70920996 in words is "seventy million, nine hundred twenty thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 19 38 53 57 76 106 114 159 212 228 318 636 1007 2014 3021 4028 5869 6042 11738 12084 17607 23476 35214 70428 111511 223022 311057 334533 446044 622114 669066 933171 1244228 1338132 1866342 3732684 5910083 11820166 17730249 23640332 35460498 70920996