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70023404 = 22111591441
BaseRepresentation
bin1000010110001…
…11100011101100
311212202120001102
410023013203230
5120411222104
610540502232
71510121603
oct413074354
9155676042
1070023404
1136587690
121b54a978
1311679389
14942aa3a
156232a1e
hex42c78ec

70023404 has 12 divisors (see below), whose sum is σ = 133681128. Its totient is φ = 31828800.

The previous prime is 70023403. The next prime is 70023407. The reversal of 70023404 is 40432007.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70023403) 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, 795677 + ... + 795764.

It is an arithmetic number, because the mean of its divisors is an integer number (11140094).

Almost surely, 270023404 is an apocalyptic number.

It is an amenable number.

70023404 is a deficient number, since it is larger than the sum of its proper divisors (63657724).

70023404 is a wasteful number, since it uses less digits than its factorization.

70023404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591456 (or 1591454 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 70023404 is about 8367.9988049712. The cubic root of 70023404 is about 412.1744556063.

Adding to 70023404 its sum of digits (20), we get a square (70023424 = 83682).

The spelling of 70023404 in words is "seventy million, twenty-three thousand, four hundred four".

Divisors: 1 2 4 11 22 44 1591441 3182882 6365764 17505851 35011702 70023404