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513091401 = 3715123917
BaseRepresentation
bin11110100101010…
…010011101001001
31022202110202002020
4132211102131021
52022322411101
6122525155053
715500130204
oct3645223511
91282422066
10513091401
11243699189
121239bba89
13823b9aa4
144c20293b
15300a2136
hex1e952749

513091401 has 8 divisors (see below), whose sum is σ = 684246144. Its totient is φ = 341998800.

The previous prime is 513091393. The next prime is 513091457. The reversal of 513091401 is 104190315.

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

It is not a de Polignac number, because 513091401 - 23 = 513091393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (513093401) 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, 9495 + ... + 33411.

It is an arithmetic number, because the mean of its divisors is an integer number (85530768).

Almost surely, 2513091401 is an apocalyptic number.

It is an amenable number.

513091401 is a deficient number, since it is larger than the sum of its proper divisors (171154743).

513091401 is a wasteful number, since it uses less digits than its factorization.

513091401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31071.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 513091401 is about 22651.5209423120. The cubic root of 513091401 is about 800.5680345962.

The spelling of 513091401 in words is "five hundred thirteen million, ninety-one thousand, four hundred one".

Divisors: 1 3 7151 21453 23917 71751 171030467 513091401