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452147272 = 23106153269
BaseRepresentation
bin11010111100110…
…011100001001000
31011111210110110021
4122330303201020
51411222203042
6112511030224
714130121423
oct3274634110
91144713407
10452147272
11212252a35
1210750b374
137289c185
144409a9ba
1529a64867
hex1af33848

452147272 has 16 divisors (see below), whose sum is σ = 848591100. Its totient is φ = 225856320.

The previous prime is 452147263. The next prime is 452147281. The reversal of 452147272 is 272741254.

It is an interprime number because it is at equal distance from previous prime (452147263) and next prime (452147281).

It can be written as a sum of positive squares in 2 ways, for example, as 439573156 + 12574116 = 20966^2 + 3546^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18147 + ... + 35122.

Almost surely, 2452147272 is an apocalyptic number.

It is an amenable number.

452147272 is a deficient number, since it is larger than the sum of its proper divisors (396443828).

452147272 is a wasteful number, since it uses less digits than its factorization.

452147272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54336 (or 54332 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 452147272 is about 21263.7548894827. The cubic root of 452147272 is about 767.5263690290.

The spelling of 452147272 in words is "four hundred fifty-two million, one hundred forty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 1061 2122 4244 8488 53269 106538 213076 426152 56518409 113036818 226073636 452147272