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872438375 = 536979507
BaseRepresentation
bin110100000000000…
…101101001100111
32020210122110110102
4310000011221213
53241321012000
6222323214315
730422414054
oct6400055147
92223573412
10872438375
11408517956
1220421739b
1310b996533
1483c2402b
15518d53d5
hex34005a67

872438375 has 8 divisors (see below), whose sum is σ = 1088803248. Its totient is φ = 697950600.

The previous prime is 872438341. The next prime is 872438377. The reversal of 872438375 is 573834278.

It is not a de Polignac number, because 872438375 - 212 = 872434279 is a prime.

It is a super-2 number, since 2×8724383752 = 1522297436345281250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872438377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3489629 + ... + 3489878.

It is an arithmetic number, because the mean of its divisors is an integer number (136100406).

Almost surely, 2872438375 is an apocalyptic number.

872438375 is a deficient number, since it is larger than the sum of its proper divisors (216364873).

872438375 is an equidigital number, since it uses as much as digits as its factorization.

872438375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979522 (or 6979512 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 872438375 is about 29537.0678131733. The cubic root of 872438375 is about 955.5313052832.

The spelling of 872438375 in words is "eight hundred seventy-two million, four hundred thirty-eight thousand, three hundred seventy-five".

Divisors: 1 5 25 125 6979507 34897535 174487675 872438375