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70046513 = 293797673
BaseRepresentation
bin1000010110011…
…01001100110001
311212210201202022
410023031030301
5120412442023
610541201225
71510246145
oct413151461
9155721668
1070046513
11365a2a89
121b560215
1311686a54
149435225
1562397c8
hex42cd331

70046513 has 16 divisors (see below), whose sum is σ = 75299280. Its totient is φ = 65028096.

The previous prime is 70046503. The next prime is 70046519. The reversal of 70046513 is 31564007.

It can be written as a sum of positive squares in 8 ways, for example, as 1106704 + 68939809 = 1052^2 + 8303^2 .

It is a cyclic number.

It is not a de Polignac number, because 70046513 - 220 = 68997937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70046519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103745 + ... + 104417.

It is an arithmetic number, because the mean of its divisors is an integer number (4706205).

Almost surely, 270046513 is an apocalyptic number.

It is an amenable number.

70046513 is a deficient number, since it is larger than the sum of its proper divisors (5252767).

70046513 is a wasteful number, since it uses less digits than its factorization.

70046513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70046513 is about 8369.3794871543. The cubic root of 70046513 is about 412.2197923145.

The spelling of 70046513 in words is "seventy million, forty-six thousand, five hundred thirteen".

Divisors: 1 29 37 97 673 1073 2813 3589 19517 24901 65281 104081 722129 1893149 2415397 70046513