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70622344 = 23133718353
BaseRepresentation
bin1000011010110…
…01110010001000
311220212222122101
410031121302020
5121034403334
611001403144
71515165022
oct415316210
9156788571
1070622344
1136956681
121b7994b4
1311828b90
149545012
156300214
hex4359c88

70622344 has 32 divisors (see below), whose sum is σ = 146464920. Its totient is φ = 31712256.

The previous prime is 70622339. The next prime is 70622347. The reversal of 70622344 is 44322607.

It can be written as a sum of positive squares in 4 ways, for example, as 43059844 + 27562500 = 6562^2 + 5250^2 .

It is not an unprimeable number, because it can be changed into a prime (70622347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5329 + ... + 13024.

Almost surely, 270622344 is an apocalyptic number.

70622344 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

70622344 is an abundant number, since it is smaller than the sum of its proper divisors (75842576).

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

70622344 is a wasteful number, since it uses less digits than its factorization.

70622344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18409 (or 18405 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70622344 is about 8403.7101330305. The cubic root of 70622344 is about 413.3462887603.

The spelling of 70622344 in words is "seventy million, six hundred twenty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 26 37 52 74 104 148 296 481 962 1924 3848 18353 36706 73412 146824 238589 477178 679061 954356 1358122 1908712 2716244 5432488 8827793 17655586 35311172 70622344