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801389001 = 37158324107
BaseRepresentation
bin101111110001000…
…011100111001001
32001211221210001010
4233301003213021
53120123422001
6211304314133
725600460040
oct5761034711
92054853033
10801389001
113813aa466
121a4472949
13ca04b19a
147860b557
154a54d8d6
hex2fc439c9

801389001 has 16 divisors (see below), whose sum is σ = 1221986304. Its totient is φ = 457628304.

The previous prime is 801388981. The next prime is 801389003. The reversal of 801389001 is 100983108.

It is not a de Polignac number, because 801389001 - 26 = 801388937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 801389001.

It is not an unprimeable number, because it can be changed into a prime (801389003) 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, 21190 + ... + 45296.

It is an arithmetic number, because the mean of its divisors is an integer number (76374144).

Almost surely, 2801389001 is an apocalyptic number.

It is an amenable number.

801389001 is a deficient number, since it is larger than the sum of its proper divisors (420597303).

801389001 is a wasteful number, since it uses less digits than its factorization.

801389001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25700.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 801389001 is about 28308.8148992500. The cubic root of 801389001 is about 928.8547203745.

The spelling of 801389001 in words is "eight hundred one million, three hundred eighty-nine thousand, one".

Divisors: 1 3 7 21 1583 4749 11081 24107 33243 72321 168749 506247 38161381 114484143 267129667 801389001