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297086830 = 25591932609
BaseRepresentation
bin10001101101010…
…010111101101110
3202201000120111221
4101231102331232
51102023234310
645251333554
710235124235
oct2155227556
9681016457
10297086830
11142774807
12835b12ba
134971ab31
142b655b1c
151b135ada
hex11b52f6e

297086830 has 32 divisors (see below), whose sum is σ = 546847200. Its totient is φ = 116170752.

The previous prime is 297086827. The next prime is 297086873. The reversal of 297086830 is 38680792.

297086830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 112566 + ... + 115174.

It is an arithmetic number, because the mean of its divisors is an integer number (17088975).

Almost surely, 2297086830 is an apocalyptic number.

297086830 is a deficient number, since it is larger than the sum of its proper divisors (249760370).

297086830 is a wasteful number, since it uses less digits than its factorization.

297086830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 297086830 is about 17236.2069493262. The cubic root of 297086830 is about 667.2590404285.

The spelling of 297086830 in words is "two hundred ninety-seven million, eighty-six thousand, eight hundred thirty".

Divisors: 1 2 5 10 59 118 193 295 386 590 965 1930 2609 5218 11387 13045 22774 26090 56935 113870 153931 307862 503537 769655 1007074 1539310 2517685 5035370 29708683 59417366 148543415 297086830