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199427802 = 23723206447
BaseRepresentation
bin10111110001100…
…00011011011010
3111220020222111220
423320300123122
5402023142202
631442232510
74641052110
oct1370603332
9456228456
10199427802
11a2632072
1256955736
1332416a22
141c6b3ab0
1512794abc
hexbe306da

199427802 has 32 divisors (see below), whose sum is σ = 475656192. Its totient is φ = 54501744.

The previous prime is 199427801. The next prime is 199427803. The reversal of 199427802 is 208724991.

It is an interprime number because it is at equal distance from previous prime (199427801) and next prime (199427803).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (199427801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102258 + ... + 104189.

It is an arithmetic number, because the mean of its divisors is an integer number (14864256).

Almost surely, 2199427802 is an apocalyptic number.

199427802 is an abundant number, since it is smaller than the sum of its proper divisors (276228390).

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

199427802 is a wasteful number, since it uses less digits than its factorization.

199427802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206482.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 199427802 is about 14121.8908790572. The cubic root of 199427802 is about 584.2453092315.

The spelling of 199427802 in words is "one hundred ninety-nine million, four hundred twenty-seven thousand, eight hundred two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 206447 412894 619341 1238682 1445129 2890258 4335387 4748281 8670774 9496562 14244843 28489686 33237967 66475934 99713901 199427802