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1047377225 = 52171132193
BaseRepresentation
bin111110011011011…
…011010101001001
32200222211021110002
4332123123111021
54121112032400
6251532532345
734645362626
oct7633332511
92628737402
101047377225
11498243014
122529210b5
13138cb784b
149d16134d
1561e3ded5
hex3e6db549

1047377225 has 36 divisors (see below), whose sum is σ = 1394610516. Its totient is φ = 777584640.

The previous prime is 1047377183. The next prime is 1047377239. The reversal of 1047377225 is 5227737401.

It can be written as a sum of positive squares in 18 ways, for example, as 1047363769 + 13456 = 32363^2 + 116^2 .

It is not a de Polignac number, because 1047377225 - 226 = 980268361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5426729 + ... + 5426921.

It is an arithmetic number, because the mean of its divisors is an integer number (38739181).

Almost surely, 21047377225 is an apocalyptic number.

It is an amenable number.

1047377225 is a deficient number, since it is larger than the sum of its proper divisors (347233291).

1047377225 is a wasteful number, since it uses less digits than its factorization.

1047377225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 1047377225 is about 32363.2078910605. The cubic root of 1047377225 is about 1015.5493721674.

The spelling of 1047377225 in words is "one billion, forty-seven million, three hundred seventy-seven thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 113 193 425 565 965 1921 2825 3281 4825 9605 12769 16405 21809 48025 63845 82025 109045 217073 319225 370753 545225 1085365 1853765 2464417 5426825 9268825 12322085 41895089 61610425 209475445 1047377225