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68265925 = 5271337811
BaseRepresentation
bin1000001000110…
…10011111000101
311202110021020121
410010122133011
5114434002200
610435101541
71456152010
oct404323705
9152407217
1068265925
1135597222
121aa418b1
13111b2450
1490d0377
155ed6e1a
hex411a7c5

68265925 has 48 divisors (see below), whose sum is σ = 107132032. Its totient is φ = 41990400.

The previous prime is 68265919. The next prime is 68265941. The reversal of 68265925 is 52956286.

It is not a de Polignac number, because 68265925 - 213 = 68257733 is a prime.

It is a super-2 number, since 2×682659252 = 9320473032211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83770 + ... + 84580.

Almost surely, 268265925 is an apocalyptic number.

68265925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68265925 is a deficient number, since it is larger than the sum of its proper divisors (38866107).

68265925 is a wasteful number, since it uses less digits than its factorization.

68265925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 873 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 68265925 is about 8262.3195895584. The cubic root of 68265925 is about 408.6968838697.

The spelling of 68265925 in words is "sixty-eight million, two hundred sixty-five thousand, nine hundred twenty-five".

Divisors: 1 5 7 13 25 35 37 65 91 175 185 259 325 455 481 811 925 1295 2275 2405 3367 4055 5677 6475 10543 12025 16835 20275 28385 30007 52715 73801 84175 141925 150035 210049 263575 369005 390091 750175 1050245 1845025 1950455 2730637 5251225 9752275 13653185 68265925