Search a number
-
+
25106934 = 235098221
BaseRepresentation
bin101111111000…
…1100111110110
31202020120020110
41133301213312
522411410214
62254043450
7423256026
oct137614766
952216213
1025106934
1113199236
1284a9586
135280a98
143497a86
15230e159
hex17f19f6

25106934 has 16 divisors (see below), whose sum is σ = 50318640. Its totient is φ = 8351520.

The previous prime is 25106933. The next prime is 25106941. The reversal of 25106934 is 43960152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25106933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (3144915).

Almost surely, 225106934 is an apocalyptic number.

25106934 is an abundant number, since it is smaller than the sum of its proper divisors (25211706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25106934 is a wasteful number, since it uses less digits than its factorization.

25106934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25106934 is about 5010.6819895100. The cubic root of 25106934 is about 292.8180833661.

The spelling of 25106934 in words is "twenty-five million, one hundred six thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 509 1018 1527 3054 8221 16442 24663 49326 4184489 8368978 12553467 25106934