Search a number
-
+
19925241 = 371755813
BaseRepresentation
bin100110000000…
…0100011111001
31101111022021220
41030000203321
520100101431
61551022253
7331235040
oct114004371
941438256
1019925241
111027a146
12680a989
1341883ab
142909557
151b38b96
hex13008f9

19925241 has 16 divisors (see below), whose sum is σ = 32148864. Its totient is φ = 10715904.

The previous prime is 19925237. The next prime is 19925249. The reversal of 19925241 is 14252991.

It is not a de Polignac number, because 19925241 - 22 = 19925237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19925249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27550 + ... + 28263.

It is an arithmetic number, because the mean of its divisors is an integer number (2009304).

Almost surely, 219925241 is an apocalyptic number.

It is an amenable number.

19925241 is a deficient number, since it is larger than the sum of its proper divisors (12223623).

19925241 is a wasteful number, since it uses less digits than its factorization.

19925241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55840.

The product of its digits is 6480, while the sum is 33.

The square root of 19925241 is about 4463.7698193343. The cubic root of 19925241 is about 271.1031274648.

The spelling of 19925241 in words is "nineteen million, nine hundred twenty-five thousand, two hundred forty-one".

Divisors: 1 3 7 17 21 51 119 357 55813 167439 390691 948821 1172073 2846463 6641747 19925241