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801051492 = 2231717921937
BaseRepresentation
bin101111101111110…
…001001101100100
32001211022122001210
4233233301031210
53120032121432
6211253151420
725564553043
oct5757611544
92054278053
10801051492
1138119992a
121a432b570
13c9c60687
147856055a
154a4d38cc
hex2fbf1364

801051492 has 48 divisors (see below), whose sum is σ = 1990215360. Its totient is φ = 249894912.

The previous prime is 801051491. The next prime is 801051499. The reversal of 801051492 is 294150108.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (801051491) 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, 25548 + ... + 47484.

It is an arithmetic number, because the mean of its divisors is an integer number (41462820).

Almost surely, 2801051492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 801051492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995107680).

801051492 is an abundant number, since it is smaller than the sum of its proper divisors (1189163868).

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

801051492 is a wasteful number, since it uses less digits than its factorization.

801051492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22140 (or 22138 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 801051492 is about 28302.8530717311. The cubic root of 801051492 is about 928.7243047886.

The spelling of 801051492 in words is "eight hundred one million, fifty-one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 179 204 358 537 716 1074 2148 3043 6086 9129 12172 18258 21937 36516 43874 65811 87748 131622 263244 372929 745858 1118787 1491716 2237574 3926723 4475148 7853446 11780169 15706892 23560338 47120676 66754291 133508582 200262873 267017164 400525746 801051492