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801909124 = 22141592
BaseRepresentation
bin101111110011000…
…010100110000100
32001212221012111221
4233303002212010
53120242042444
6211323410124
725605054322
oct5763024604
92055835457
10801909124
11381725215
121a4683944
13ca1a0b53
1478704d12
154a602a84
hex2fcc2984

801909124 has 9 divisors (see below), whose sum is σ = 1403440087. Its totient is φ = 400926244.

The previous prime is 801909067. The next prime is 801909127. The reversal of 801909124 is 421909108.

The square root of 801909124 is 28318.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 801909124.

It is not an unprimeable number, because it can be changed into a prime (801909127) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 49557 + ... + 63715.

Almost surely, 2801909124 is an apocalyptic number.

801909124 is the 28318-th square number.

It is an amenable number.

801909124 is a deficient number, since it is larger than the sum of its proper divisors (601530963).

801909124 is an frugal number, since it uses more digits than its factorization.

801909124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28322 (or 14161 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The cubic root of 801909124 is about 929.0556274753.

Multiplying 801909124 by its product of nonzero digits (5184), we get a square (4157096898816 = 20388962).

The spelling of 801909124 in words is "eight hundred one million, nine hundred nine thousand, one hundred twenty-four".

Divisors: 1 2 4 14159 28318 56636 200477281 400954562 801909124