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226523725 = 5217717507
BaseRepresentation
bin11011000000001…
…11101001001101
3120210020121010121
431200013221031
5430442224400
634251104541
75420264011
oct1540075115
9523217117
10226523725
1110695969a
1263a42151
1337c12c0c
1422128541
1514d4821a
hexd807a4d

226523725 has 24 divisors (see below), whose sum is σ = 301641408. Its totient is φ = 168134400.

The previous prime is 226523701. The next prime is 226523743. The reversal of 226523725 is 527325622.

It is not a de Polignac number, because 226523725 - 213 = 226515533 is a prime.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 26422 + ... + 33928.

It is an arithmetic number, because the mean of its divisors is an integer number (12568392).

Almost surely, 2226523725 is an apocalyptic number.

226523725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226523725 is a deficient number, since it is larger than the sum of its proper divisors (75117683).

226523725 is a wasteful number, since it uses less digits than its factorization.

226523725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605 (or 7600 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 226523725 is about 15050.7051329830. The cubic root of 226523725 is about 609.5900901022.

The spelling of 226523725 in words is "two hundred twenty-six million, five hundred twenty-three thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 71 85 355 425 1207 1775 6035 7507 30175 37535 127619 187675 532997 638095 2664985 3190475 9060949 13324925 45304745 226523725