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69939466 = 2257136069
BaseRepresentation
bin1000010101100…
…11000100001010
311212121021220121
410022303010022
5120401030331
610535013454
71506322102
oct412630412
9155537817
1069939466
113652a613
121b50a28a
131164a0cc
149408202
156217c11
hex42b310a

69939466 has 8 divisors (see below), whose sum is σ = 105318180. Its totient is φ = 34833408.

The previous prime is 69939461. The next prime is 69939469. The reversal of 69939466 is 66493996.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63664441 + 6275025 = 7979^2 + 2505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (69939461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67521 + ... + 68548.

Almost surely, 269939466 is an apocalyptic number.

69939466 is a deficient number, since it is larger than the sum of its proper divisors (35378714).

69939466 is a wasteful number, since it uses less digits than its factorization.

69939466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136328.

The product of its digits is 1889568, while the sum is 52.

The square root of 69939466 is about 8362.9818844716. The cubic root of 69939466 is about 412.0096967272.

The spelling of 69939466 in words is "sixty-nine million, nine hundred thirty-nine thousand, four hundred sixty-six".

Divisors: 1 2 257 514 136069 272138 34969733 69939466