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725116 = 227192947
BaseRepresentation
bin10110001000001111100
31100211200011
42301001330
5141200431
623313004
76110020
oct2610174
91324604
10725116
11455877
122ab764
131c5082
1414c380
15e4cb1
hexb107c

725116 has 48 divisors (see below), whose sum is σ = 1612800. Its totient is φ = 278208.

The previous prime is 725113. The next prime is 725119. The reversal of 725116 is 611527.

It is an interprime number because it is at equal distance from previous prime (725113) and next prime (725119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15405 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2725116 is an apocalyptic number.

725116 is a gapful number since it is divisible by the number (76) 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 725116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806400).

725116 is an abundant number, since it is smaller than the sum of its proper divisors (887684).

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

725116 is a wasteful number, since it uses less digits than its factorization.

725116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 104 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 725116 is about 851.5374331173. The cubic root of 725116 is about 89.8398799064.

It can be divided in two parts, 725 and 116, that multiplied together give a square (84100 = 2902).

The spelling of 725116 in words is "seven hundred twenty-five thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 19 28 29 38 47 58 76 94 116 133 188 203 266 329 406 532 551 658 812 893 1102 1316 1363 1786 2204 2726 3572 3857 5452 6251 7714 9541 12502 15428 19082 25004 25897 38164 51794 103588 181279 362558 725116