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199440704 = 267143891
BaseRepresentation
bin10111110001100…
…11100101000000
3111220021122012202
423320303211000
5402024100304
631442412332
74641134531
oct1370634500
9456248182
10199440704
11a2640831
12569610a8
133241c868
141c6b8688
151279881e
hexbe33940

199440704 has 28 divisors (see below), whose sum is σ = 401348448. Its totient is φ = 98313600.

The previous prime is 199440677. The next prime is 199440721. The reversal of 199440704 is 407044991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17402 + ... + 26489.

Almost surely, 2199440704 is an apocalyptic number.

It is an amenable number.

199440704 is an abundant number, since it is smaller than the sum of its proper divisors (201907744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199440704 is an equidigital number, since it uses as much as digits as its factorization.

199440704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43974 (or 43964 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 199440704 is about 14122.3476801841. The cubic root of 199440704 is about 584.2579082278.

The spelling of 199440704 in words is "one hundred ninety-nine million, four hundred forty thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 71 142 284 568 1136 2272 4544 43891 87782 175564 351128 702256 1404512 2809024 3116261 6232522 12465044 24930088 49860176 99720352 199440704