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70147966 = 2741122209
BaseRepresentation
bin1000010111001…
…01111101111110
311212222212220211
410023211331332
5120424213331
610543303034
71511151010
oct413457576
9155885824
1070147966
1136662229
121b5aaa7a
13116c0c95
1494601b0
1562598b1
hex42e5f7e

70147966 has 16 divisors (see below), whose sum is σ = 123187680. Its totient is φ = 29329920.

The previous prime is 70147949. The next prime is 70147969. The reversal of 70147966 is 66974107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70147969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60531 + ... + 61678.

It is an arithmetic number, because the mean of its divisors is an integer number (7699230).

Almost surely, 270147966 is an apocalyptic number.

70147966 is a deficient number, since it is larger than the sum of its proper divisors (53039714).

70147966 is a wasteful number, since it uses less digits than its factorization.

70147966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122259.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 70147966 is about 8375.4382571899. The cubic root of 70147966 is about 412.4187113772.

The spelling of 70147966 in words is "seventy million, one hundred forty-seven thousand, nine hundred sixty-six".

Divisors: 1 2 7 14 41 82 287 574 122209 244418 855463 1710926 5010569 10021138 35073983 70147966