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192872425 = 527714897
BaseRepresentation
bin10110111111011…
…11111111101001
3111102220221020011
423133233333221
5343333404200
631045531521
74531250164
oct1337577751
9442827204
10192872425
11999649a9
1254713ba1
1330c5ccc5
141b888adb
1511dec5ba
hexb7effe9

192872425 has 6 divisors (see below), whose sum is σ = 239161838. Its totient is φ = 154297920.

The previous prime is 192872419. The next prime is 192872437. The reversal of 192872425 is 524278291.

It can be written as a sum of positive squares in 3 ways, for example, as 12131289 + 180741136 = 3483^2 + 13444^2 .

It is a de Polignac number, because none of the positive numbers 2k-192872425 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3857424 + ... + 3857473.

Almost surely, 2192872425 is an apocalyptic number.

It is an amenable number.

192872425 is a deficient number, since it is larger than the sum of its proper divisors (46289413).

192872425 is an equidigital number, since it uses as much as digits as its factorization.

192872425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714907 (or 7714902 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 192872425 is about 13887.8517057175. The cubic root of 192872425 is about 577.7722958950.

It can be divided in two parts, 19287 and 2425, that added together give a palindrome (21712).

The spelling of 192872425 in words is "one hundred ninety-two million, eight hundred seventy-two thousand, four hundred twenty-five".

Divisors: 1 5 25 7714897 38574485 192872425