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801681124 = 22200420281
BaseRepresentation
bin101111110010001…
…010111011100100
32001212111121202111
4233302022323210
53120212243444
6211314450404
725603114516
oct5762127344
92055447674
10801681124
11381589992
121a4593a04
13ca12113a
1478685bb6
154a5aa234
hex2fc8aee4

801681124 has 6 divisors (see below), whose sum is σ = 1402941974. Its totient is φ = 400840560.

The previous prime is 801681103. The next prime is 801681131. The reversal of 801681124 is 421186108.

It can be written as a sum of positive squares in only one way, i.e., 401281024 + 400400100 = 20032^2 + 20010^2 .

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 as a sum of consecutive naturals, namely, 100210137 + ... + 100210144.

Almost surely, 2801681124 is an apocalyptic number.

It is an amenable number.

801681124 is a deficient number, since it is larger than the sum of its proper divisors (601260850).

801681124 is a wasteful number, since it uses less digits than its factorization.

801681124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200420285 (or 200420283 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 801681124 is about 28313.9740057803. The cubic root of 801681124 is about 928.9675689678.

The spelling of 801681124 in words is "eight hundred one million, six hundred eighty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 200420281 400840562 801681124