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25948242 = 2331393457
BaseRepresentation
bin110001011111…
…1000001010010
31210211022022000
41202333001102
523120320432
62324054430
7433361565
oct142770122
953738260
1025948242
1113713331
128834416
1354b69b8
1436364dc
15242857c
hex18bf052

25948242 has 32 divisors (see below), whose sum is σ = 58094400. Its totient is φ = 8584704.

The previous prime is 25948231. The next prime is 25948253. The reversal of 25948242 is 24284952.

It is an interprime number because it is at equal distance from previous prime (25948231) and next prime (25948253).

It is a super-2 number, since 2×259482422 = 1346622525781128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25948197 and 25948206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5778 + ... + 9234.

It is an arithmetic number, because the mean of its divisors is an integer number (1815450).

Almost surely, 225948242 is an apocalyptic number.

25948242 is an abundant number, since it is smaller than the sum of its proper divisors (32146158).

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

25948242 is a wasteful number, since it uses less digits than its factorization.

25948242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3601 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 25948242 is about 5093.9416957794. The cubic root of 25948242 is about 296.0528956480.

The spelling of 25948242 in words is "twenty-five million, nine hundred forty-eight thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 139 278 417 834 1251 2502 3457 3753 6914 7506 10371 20742 31113 62226 93339 186678 480523 961046 1441569 2883138 4324707 8649414 12974121 25948242