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20714472 = 2332287701
BaseRepresentation
bin100111100000…
…1001111101000
31102222101220200
41033001033220
520300330342
62015552200
7341033022
oct117011750
942871820
1020714472
11107690a9
126b2b660
1343a36ac
142a73012
151c4294c
hex13c13e8

20714472 has 24 divisors (see below), whose sum is σ = 56101890. Its totient is φ = 6904800.

The previous prime is 20714453. The next prime is 20714509. The reversal of 20714472 is 27441702.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14333796 + 6380676 = 3786^2 + 2526^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143779 + ... + 143922.

Almost surely, 220714472 is an apocalyptic number.

It is an amenable number.

20714472 is an abundant number, since it is smaller than the sum of its proper divisors (35387418).

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

20714472 is a wasteful number, since it uses less digits than its factorization.

20714472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287713 (or 287706 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 20714472 is about 4551.3154142511. The cubic root of 20714472 is about 274.6363104144.

The spelling of 20714472 in words is "twenty million, seven hundred fourteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 287701 575402 863103 1150804 1726206 2301608 2589309 3452412 5178618 6904824 10357236 20714472