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70413940 = 2253520697
BaseRepresentation
bin1000011001001…
…10111001110100
311220111101202201
410030212321310
5121011221230
610553114244
71513336312
oct414467164
9156441681
1070413940
1136824043
121b6b8984
131178506c
1494cd0b2
1562ad5ca
hex4326e74

70413940 has 12 divisors (see below), whose sum is σ = 147869316. Its totient is φ = 28165568.

The previous prime is 70413929. The next prime is 70413953. The reversal of 70413940 is 4931407.

It can be written as a sum of positive squares in 2 ways, for example, as 10784656 + 59629284 = 3284^2 + 7722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70413899 and 70413908.

It is a congruent number.

It is an unprimeable number.

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, 1760329 + ... + 1760368.

It is an arithmetic number, because the mean of its divisors is an integer number (12322443).

Almost surely, 270413940 is an apocalyptic number.

It is an amenable number.

70413940 is an abundant number, since it is smaller than the sum of its proper divisors (77455376).

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

70413940 is a wasteful number, since it uses less digits than its factorization.

70413940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520706 (or 3520704 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 70413940 is about 8391.3014485239. The cubic root of 70413940 is about 412.9392981430.

The spelling of 70413940 in words is "seventy million, four hundred thirteen thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 3520697 7041394 14082788 17603485 35206970 70413940