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1375025275 = 52134230847
BaseRepresentation
bin101000111110101…
…0011100001111011
310112211100112002001
41101331103201323
510304001302100
6344235321431
746034344021
oct12175234173
93484315061
101375025275
11646190928
123245b0277
1318bb45c30
14d0890711
1580aaed6a
hex51f5387b

1375025275 has 12 divisors (see below), whose sum is σ = 1836188032. Its totient is φ = 1015403040.

The previous prime is 1375025251. The next prime is 1375025287. The reversal of 1375025275 is 5725205731.

It is not a de Polignac number, because 1375025275 - 211 = 1375023227 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2115099 + ... + 2115748.

Almost surely, 21375025275 is an apocalyptic number.

1375025275 is a deficient number, since it is larger than the sum of its proper divisors (461162757).

1375025275 is a wasteful number, since it uses less digits than its factorization.

1375025275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230870 (or 4230865 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 1375025275 is about 37081.3332419426. Note that the first 3 decimals coincide. The cubic root of 1375025275 is about 1111.9968587092.

The spelling of 1375025275 in words is "one billion, three hundred seventy-five million, twenty-five thousand, two hundred seventy-five".

Divisors: 1 5 13 25 65 325 4230847 21154235 55001011 105771175 275005055 1375025275