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513052253 = 72923310847
BaseRepresentation
bin11110100101001…
…000111001011101
31022202101202101022
4132211020321131
52022320133003
6122524253525
715466605110
oct3645107135
91282352338
10513052253
1124367182a
121239a12a5
13823a501c
144c1d2577
1530095738
hex1e948e5d

513052253 has 16 divisors (see below), whose sum is σ = 609223680. Its totient is φ = 422733696.

The previous prime is 513052219. The next prime is 513052289. The reversal of 513052253 is 352250315.

It is a de Polignac number, because none of the positive numbers 2k-513052253 is a prime.

It is a super-2 number, since 2×5130522532 = 526445228616752018, 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 (513052153) 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, 41876 + ... + 52722.

It is an arithmetic number, because the mean of its divisors is an integer number (38076480).

Almost surely, 2513052253 is an apocalyptic number.

It is an amenable number.

513052253 is a deficient number, since it is larger than the sum of its proper divisors (96171427).

513052253 is a wasteful number, since it uses less digits than its factorization.

513052253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 513052253 is about 22650.6567895944. The cubic root of 513052253 is about 800.5476734192.

The spelling of 513052253 in words is "five hundred thirteen million, fifty-two thousand, two hundred fifty-three".

Divisors: 1 7 29 203 233 1631 6757 10847 47299 75929 314563 2201941 2527351 17691457 73293179 513052253