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70342469 = 717912541
BaseRepresentation
bin1000011000101…
…01011101000101
311220100202201122
410030111131011
5121001424334
610551403325
71512621041
oct414253505
9156322648
1070342469
113678537a
121b683545
131175b682
1494b1021
15629732e
hex4315745

70342469 has 8 divisors (see below), whose sum is σ = 72241920. Its totient is φ = 68468400.

The previous prime is 70342463. The next prime is 70342471. The reversal of 70342469 is 96424307.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70342469 is a prime.

It is a super-2 number, since 2×703424692 = 9896125890031922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70342463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (9030240).

Almost surely, 270342469 is an apocalyptic number.

70342469 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

70342469 is a deficient number, since it is larger than the sum of its proper divisors (1899451).

70342469 is a wasteful number, since it uses less digits than its factorization.

70342469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 70342469 is about 8387.0417311469. The cubic root of 70342469 is about 412.7995380537.

The spelling of 70342469 in words is "seventy million, three hundred forty-two thousand, four hundred sixty-nine".

Divisors: 1 71 79 5609 12541 890411 990739 70342469