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45970813 = 723285533
BaseRepresentation
bin1010111101011…
…1010101111101
310012111120002201
42233113111331
543232031223
64321151501
71065513460
oct257272575
9105446081
1045970813
1123a49609
121348b591
1396a7485
1461692d7
154080ead
hex2bd757d

45970813 has 8 divisors (see below), whose sum is σ = 54822528. Its totient is φ = 37690224.

The previous prime is 45970789. The next prime is 45970817. The reversal of 45970813 is 31807954.

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-45970813 is a prime.

It is a super-2 number, since 2×459708132 = 4226631295761938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45970817) 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, 142606 + ... + 142927.

It is an arithmetic number, because the mean of its divisors is an integer number (6852816).

Almost surely, 245970813 is an apocalyptic number.

It is an amenable number.

45970813 is a deficient number, since it is larger than the sum of its proper divisors (8851715).

45970813 is a wasteful number, since it uses less digits than its factorization.

45970813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285563.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 45970813 is about 6780.1779475173. The cubic root of 45970813 is about 358.2289896057.

The spelling of 45970813 in words is "forty-five million, nine hundred seventy thousand, eight hundred thirteen".

Divisors: 1 7 23 161 285533 1998731 6567259 45970813