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70464069 = 3213602257
BaseRepresentation
bin1000011001100…
…11001001000101
311220120221112100
410030303021011
5121014322234
610554142313
71513635414
oct414631105
9156527470
1070464069
1136858775
121b721999
13117a1b20
14950347b
1562bd399
hex4333245

70464069 has 12 divisors (see below), whose sum is σ = 109610956. Its totient is φ = 43362432.

The previous prime is 70464061. The next prime is 70464073. The reversal of 70464069 is 96046407.

70464069 is a `hidden beast` number, since 7 + 0 + 4 + 640 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48024900 + 22439169 = 6930^2 + 4737^2 .

It is not a de Polignac number, because 70464069 - 23 = 70464061 is a prime.

It is a super-2 number, since 2×704640692 = 9930370040073522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70464061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301012 + ... + 301245.

Almost surely, 270464069 is an apocalyptic number.

It is an amenable number.

70464069 is a deficient number, since it is larger than the sum of its proper divisors (39146887).

70464069 is a wasteful number, since it uses less digits than its factorization.

70464069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602276 (or 602273 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 70464069 is about 8394.2878792665. The cubic root of 70464069 is about 413.0372679660.

The spelling of 70464069 in words is "seventy million, four hundred sixty-four thousand, sixty-nine".

Divisors: 1 3 9 13 39 117 602257 1806771 5420313 7829341 23488023 70464069