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25393152 = 21134133
BaseRepresentation
bin110000011011…
…1100000000000
31202210002212010
41200313200000
523000040102
62304132520
7425560341
oct140674000
952702763
1025393152
1113374284
128607140
135351145
1435300c8
152368d6c
hex1837800

25393152 has 48 divisors (see below), whose sum is σ = 67714920. Its totient is φ = 8462336.

The previous prime is 25393129. The next prime is 25393157. The reversal of 25393152 is 25139352.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25393157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078 + ... + 8210.

Almost surely, 225393152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25393152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33857460).

25393152 is an abundant number, since it is smaller than the sum of its proper divisors (42321768).

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

25393152 is an equidigital number, since it uses as much as digits as its factorization.

25393152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158 (or 4138 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 25393152 is about 5039.1618350674. The cubic root of 25393152 is about 293.9265863251.

The spelling of 25393152 in words is "twenty-five million, three hundred ninety-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4133 6144 8266 12399 16532 24798 33064 49596 66128 99192 132256 198384 264512 396768 529024 793536 1058048 1587072 2116096 3174144 4232192 6348288 8464384 12696576 25393152