Search a number
-
+
98724025 = 5210936229
BaseRepresentation
bin1011110001001…
…10100010111001
320212202200220101
411320212202321
5200233132100
613443555401
72306066101
oct570464271
9225680811
1098724025
11507aa904
122908bb61
13175b7aaa
14d17c201
158a0186a
hex5e268b9

98724025 has 12 divisors (see below), whose sum is σ = 123544300. Its totient is φ = 78252480.

The previous prime is 98724013. The next prime is 98724077. The reversal of 98724025 is 52042789.

It can be written as a sum of positive squares in 6 ways, for example, as 59536 + 98664489 = 244^2 + 9933^2 .

It is not a de Polignac number, because 98724025 - 25 = 98723993 is a prime.

It is a super-2 number, since 2×987240252 = 19492866224401250, which contains 22 as substring.

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15390 + ... + 20839.

Almost surely, 298724025 is an apocalyptic number.

It is an amenable number.

98724025 is a deficient number, since it is larger than the sum of its proper divisors (24820275).

98724025 is a wasteful number, since it uses less digits than its factorization.

98724025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36348 (or 36343 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 98724025 is about 9935.9964271330. The cubic root of 98724025 is about 462.1762428603.

The spelling of 98724025 in words is "ninety-eight million, seven hundred twenty-four thousand, twenty-five".

Divisors: 1 5 25 109 545 2725 36229 181145 905725 3948961 19744805 98724025