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894731900225 = 5257697620297
BaseRepresentation
bin11010000010100100010…
…11010101010101000001
310011112110101220212220212
431001102023111111001
5104124402331301400
61523011213443505
7121433201445032
oct15012213252501
93145411825825
10894731900225
113154a9917529
121254a3aa0595
13664b021b5c7
143143b896a89
1518419cb8335
hexd0522d5541

894731900225 has 12 divisors (see below), whose sum is σ = 1109488574124. Its totient is φ = 715771960320.

The previous prime is 894731900203. The next prime is 894731900243. The reversal of 894731900225 is 522009137498.

It can be written as a sum of positive squares in 6 ways, for example, as 132868269121 + 761863631104 = 364511^2 + 872848^2 .

It is not a de Polignac number, because 894731900225 - 214 = 894731883841 is a prime.

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, 1132277 + ... + 1752573.

It is an arithmetic number, because the mean of its divisors is an integer number (92457381177).

Almost surely, 2894731900225 is an apocalyptic number.

It is an amenable number.

894731900225 is a deficient number, since it is larger than the sum of its proper divisors (214756673899).

894731900225 is a wasteful number, since it uses less digits than its factorization.

894731900225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678004 (or 677999 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 894731900225 in words is "eight hundred ninety-four billion, seven hundred thirty-one million, nine hundred thousand, two hundred twenty-five".

Divisors: 1 5 25 57697 288485 620297 1442425 3101485 15507425 35789276009 178946380045 894731900225