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15097225 = 52111341103
BaseRepresentation
bin111001100101…
…110110001001
31001102000111111
4321211312021
512331102400
61255330321
7242216143
oct71456611
931360444
1015097225
118581850
1250809a1
133187990
14200dc93
1514d33ba
hexe65d89

15097225 has 48 divisors (see below), whose sum is σ = 22748544. Its totient is φ = 9792000.

The previous prime is 15097219. The next prime is 15097231. The reversal of 15097225 is 52279051.

It is an interprime number because it is at equal distance from previous prime (15097219) and next prime (15097231).

It is not a de Polignac number, because 15097225 - 25 = 15097193 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 146524 + ... + 146626.

It is an arithmetic number, because the mean of its divisors is an integer number (473928).

Almost surely, 215097225 is an apocalyptic number.

It is an amenable number.

15097225 is a deficient number, since it is larger than the sum of its proper divisors (7651319).

15097225 is a wasteful number, since it uses less digits than its factorization.

15097225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 15097225 is about 3885.5147664113. The cubic root of 15097225 is about 247.1528991527.

The spelling of 15097225 in words is "fifteen million, ninety-seven thousand, two hundred twenty-five".

Divisors: 1 5 11 13 25 41 55 65 103 143 205 275 325 451 515 533 715 1025 1133 1339 2255 2575 2665 3575 4223 5665 5863 6695 11275 13325 14729 21115 28325 29315 33475 46453 54899 73645 105575 146575 232265 274495 368225 603889 1161325 1372475 3019445 15097225