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70405612 = 2218319613
BaseRepresentation
bin1000011001001…
…00110111101100
311220110222100021
410030210313230
5121010434422
610553011524
71513303114
oct414446754
9156428307
1070405612
1136818862
121b6b3ba4
1311781334
1494ca044
1562aadc7
hex4324dec

70405612 has 12 divisors (see below), whose sum is σ = 123289936. Its totient is φ = 35179920.

The previous prime is 70405609. The next prime is 70405631. The reversal of 70405612 is 21650407.

70405612 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

70405612 is strictly pandigital in base 9.

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, 2518 + ... + 12130.

Almost surely, 270405612 is an apocalyptic number.

It is an amenable number.

70405612 is a deficient number, since it is larger than the sum of its proper divisors (52884324).

70405612 is a wasteful number, since it uses less digits than its factorization.

70405612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11448 (or 11446 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70405612 is about 8390.8052056999. The cubic root of 70405612 is about 412.9230177774.

It can be divided in two parts, 70405 and 612, that added together give a palindrome (71017).

The spelling of 70405612 in words is "seventy million, four hundred five thousand, six hundred twelve".

Divisors: 1 2 4 1831 3662 7324 9613 19226 38452 17601403 35202806 70405612