Search a number
-
+
25234902 = 2347211172
BaseRepresentation
bin110000001000…
…0110111010110
31202111001210000
41200100313112
522430004102
62300512130
7424331100
oct140206726
952431700
1025234902
11132763a0
12854b646
1352c70c4
1434cc570
15233701c
hex1810dd6

25234902 has 180 divisors, whose sum is σ = 76225644. Its totient is φ = 6168960.

The previous prime is 25234877. The next prime is 25234921. The reversal of 25234902 is 20943252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1484398 + ... + 1484414.

Almost surely, 225234902 is an apocalyptic number.

25234902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25234902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38112822).

25234902 is an abundant number, since it is smaller than the sum of its proper divisors (50990742).

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

25234902 is a wasteful number, since it uses less digits than its factorization.

25234902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25234902 is about 5023.4352787709. The cubic root of 25234902 is about 293.3147305122.

The spelling of 25234902 in words is "twenty-five million, two hundred thirty-four thousand, nine hundred two".