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25434112 = 211111129
BaseRepresentation
bin110000100000…
…1100000000000
31202212012001011
41201001200000
523002342422
62305050304
7426120634
oct141014000
952765034
1025434112
11133a2030
128626994
135366992
143540dc4
152376077
hex1841800

25434112 has 48 divisors (see below), whose sum is σ = 55528200. Its totient is φ = 11550720.

The previous prime is 25434109. The next prime is 25434121. The reversal of 25434112 is 21143452.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21964 + ... + 23092.

Almost surely, 225434112 is an apocalyptic number.

25434112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25434112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27764100).

25434112 is an abundant number, since it is smaller than the sum of its proper divisors (30094088).

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

25434112 is a wasteful number, since it uses less digits than its factorization.

25434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1142 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 25434112 is about 5043.2243654234. The cubic root of 25434112 is about 294.0845392192.

Adding to 25434112 its reverse (21143452), we get a palindrome (46577564).

The spelling of 25434112 in words is "twenty-five million, four hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1129 1408 2048 2258 2816 4516 5632 9032 11264 12419 18064 22528 24838 36128 49676 72256 99352 144512 198704 289024 397408 578048 794816 1156096 1589632 2312192 3179264 6358528 12717056 25434112