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70412260 = 2253520613
BaseRepresentation
bin1000011001001…
…10011111100100
311220111022110111
410030212133210
5121011143020
610553102404
71513331362
oct414463744
9156438414
1070412260
1136822856
121b6b7a04
1311784379
1494cc632
1562acd5a
hex43267e4

70412260 has 12 divisors (see below), whose sum is σ = 147865788. Its totient is φ = 28164896.

The previous prime is 70412231. The next prime is 70412263. The reversal of 70412260 is 6221407.

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 60715264 = 3114^2 + 7792^2 .

It is not an unprimeable number, because it can be changed into a prime (70412263) 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 3 ways as a sum of consecutive naturals, for example, 1760287 + ... + 1760326.

It is an arithmetic number, because the mean of its divisors is an integer number (12322149).

Almost surely, 270412260 is an apocalyptic number.

It is an amenable number.

70412260 is an abundant number, since it is smaller than the sum of its proper divisors (77453528).

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

70412260 is a wasteful number, since it uses less digits than its factorization.

70412260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520622 (or 3520620 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70412260 is about 8391.2013442653. The cubic root of 70412260 is about 412.9360140228.

Adding to 70412260 its reverse (6221407), we get a palindrome (76633667).

The spelling of 70412260 in words is "seventy million, four hundred twelve thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 3520613 7041226 14082452 17603065 35206130 70412260