Search a number
-
+
194000607025 = 5213726432
BaseRepresentation
bin1011010010101101010…
…1100101011100110001
3200112202020100221111121
42310223111211130301
511134303123411100
6225042254142241
720005341644251
oct2645325453461
9615666327447
10194000607025
1175303315495
12317224b1981
13153a94067c4
1495653cd961
1550a690b51a
hex2d2b565731

194000607025 has 27 divisors (see below), whose sum is σ = 242706946881. Its totient is φ = 153828027840.

The previous prime is 194000607011. The next prime is 194000607041. The reversal of 194000607025 is 520706000491.

The square root of 194000607025 is 440455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 566011681 + 193434595344 = 23791^2 + 439812^2 .

It is not a de Polignac number, because 194000607025 - 229 = 193463736113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 301711354 + ... + 301711996.

Almost surely, 2194000607025 is an apocalyptic number.

194000607025 is the 440455-th square number.

194000607025 is the 220228-th centered octagonal number.

It is an amenable number.

194000607025 is a deficient number, since it is larger than the sum of its proper divisors (48706339856).

194000607025 is an frugal number, since it uses more digits than its factorization.

194000607025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

It can be divided in two parts, 194000 and 607025, that added together give a square (801025 = 8952).

The spelling of 194000607025 in words is "one hundred ninety-four billion, six hundred seven thousand, twenty-five".

Divisors: 1 5 25 137 643 685 3215 3425 16075 18769 88091 93845 413449 440455 469225 2067245 2202275 10336225 12068467 56642513 60342335 283212565 301711675 1416062825 7760024281 38800121405 194000607025