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70408044 = 22327279397
BaseRepresentation
bin1000011001001…
…01011101101100
311220111002200100
410030211131230
5121011024134
610553031100
71513313160
oct414453554
9156432610
1070408044
113681a673
121b6b5490
1311782485
1494caca0
1562ab999
hex432576c

70408044 has 36 divisors (see below), whose sum is σ = 203401744. Its totient is φ = 20116512.

The previous prime is 70408043. The next prime is 70408049. The reversal of 70408044 is 44080407.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 70407999 and 70408017.

It is not an unprimeable number, because it can be changed into a prime (70408043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139447 + ... + 139950.

Almost surely, 270408044 is an apocalyptic number.

It is an amenable number.

70408044 is an abundant number, since it is smaller than the sum of its proper divisors (132993700).

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

70408044 is a wasteful number, since it uses less digits than its factorization.

70408044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279414 (or 279409 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70408044 is about 8390.9501249858. The cubic root of 70408044 is about 412.9277722148.

The spelling of 70408044 in words is "seventy million, four hundred eight thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 279397 558794 838191 1117588 1676382 1955779 2514573 3352764 3911558 5029146 5867337 7823116 10058292 11734674 17602011 23469348 35204022 70408044