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704808072 = 23329789001
BaseRepresentation
bin101010000000101…
…000010010001000
31211010012221220200
4222000220102020
52420412324242
6153534252200
723315525013
oct5200502210
91733187820
10704808072
11331933811
12178057060
13b30339c7
146986a37a
1541d2204c
hex2a028488

704808072 has 24 divisors (see below), whose sum is σ = 1908855390. Its totient is φ = 234936000.

The previous prime is 704808047. The next prime is 704808077. The reversal of 704808072 is 270808407.

It can be written as a sum of positive squares in only one way, i.e., 703628676 + 1179396 = 26526^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (704808077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4894429 + ... + 4894572.

Almost surely, 2704808072 is an apocalyptic number.

704808072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

704808072 is an abundant number, since it is smaller than the sum of its proper divisors (1204047318).

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

704808072 is a wasteful number, since it uses less digits than its factorization.

704808072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9789013 (or 9789006 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 704808072 is about 26548.2216353563. The cubic root of 704808072 is about 889.9322727573.

The spelling of 704808072 in words is "seven hundred four million, eight hundred eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 9789001 19578002 29367003 39156004 58734006 78312008 88101009 117468012 176202018 234936024 352404036 704808072