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513001442 = 21072397203
BaseRepresentation
bin11110100100111…
…100011111100010
31022202022011200102
4132210330133202
52022312021232
6122523222402
715466304012
oct3644743742
91282264612
10513001442
11243637638
12123977a02
1382387b65
144c1bbc42
1530085662
hex1e93c7e2

513001442 has 8 divisors (see below), whose sum is σ = 776694096. Its totient is φ = 254103412.

The previous prime is 513001373. The next prime is 513001457. The reversal of 513001442 is 244100315.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1198388 + ... + 1198815.

It is an arithmetic number, because the mean of its divisors is an integer number (97086762).

Almost surely, 2513001442 is an apocalyptic number.

513001442 is a deficient number, since it is larger than the sum of its proper divisors (263692654).

513001442 is a wasteful number, since it uses less digits than its factorization.

513001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397312.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 513001442 is about 22649.5351387175. The cubic root of 513001442 is about 800.5212446812.

Adding to 513001442 its reverse (244100315), we get a palindrome (757101757).

The spelling of 513001442 in words is "five hundred thirteen million, one thousand, four hundred forty-two".

Divisors: 1 2 107 214 2397203 4794406 256500721 513001442