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25042072 = 2311383743
BaseRepresentation
bin101111110000…
…1110010011000
31202010021021011
41133201302120
522402321242
62252423304
7422565646
oct137416230
952107234
1025042072
1113154530
128477b34
13525a3c3
14347c196
1522e9d17
hex17e1c98

25042072 has 32 divisors (see below), whose sum is σ = 51425280. Its totient is φ = 11337760.

The previous prime is 25042063. The next prime is 25042097. The reversal of 25042072 is 27024052.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33333 + ... + 34075.

It is an arithmetic number, because the mean of its divisors is an integer number (1607040).

Almost surely, 225042072 is an apocalyptic number.

25042072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25042072 is an abundant number, since it is smaller than the sum of its proper divisors (26383208).

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

25042072 is a wasteful number, since it uses less digits than its factorization.

25042072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 25042072 is about 5004.2054314346. The cubic root of 25042072 is about 292.5657075944.

The spelling of 25042072 in words is "twenty-five million, forty-two thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 383 743 766 1486 1532 2972 3064 4213 5944 8173 8426 16346 16852 32692 33704 65384 284569 569138 1138276 2276552 3130259 6260518 12521036 25042072