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315604742 = 21229128399
BaseRepresentation
bin10010110011111…
…011111100000110
3210222212101022112
4102303323330012
51121243322432
651152301022
710551411305
oct2263737406
9728771275
10315604742
11152172572
1289841772
135050278b
142dcb643c
151ca927b2
hex12cfbf06

315604742 has 8 divisors (see below), whose sum is σ = 473796000. Its totient is φ = 157672744.

The previous prime is 315604721. The next prime is 315604759. The reversal of 315604742 is 247406513.

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

It is a junction number, because it is equal to n+sod(n) for n = 315604699 and 315604708.

It is a congruent number.

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, 61742 + ... + 66657.

It is an arithmetic number, because the mean of its divisors is an integer number (59224500).

Almost surely, 2315604742 is an apocalyptic number.

315604742 is a deficient number, since it is larger than the sum of its proper divisors (158191258).

315604742 is a wasteful number, since it uses less digits than its factorization.

315604742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129630.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 315604742 is about 17765.2678561287. The cubic root of 315604742 is about 680.8443533848.

The spelling of 315604742 in words is "three hundred fifteen million, six hundred four thousand, seven hundred forty-two".

Divisors: 1 2 1229 2458 128399 256798 157802371 315604742