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125784425 = 5213834663
BaseRepresentation
bin1110111111101…
…01000101101001
322202200111210102
413133311011221
5224200100200
620251555145
73055102304
oct737650551
9282614712
10125784425
1165002778
123615bab5
13200a0a70
14129c3b3b
15b0996d5
hex77f5169

125784425 has 24 divisors (see below), whose sum is σ = 170030784. Its totient is φ = 91748160.

The previous prime is 125784419. The next prime is 125784431. The reversal of 125784425 is 524487521.

It is an interprime number because it is at equal distance from previous prime (125784419) and next prime (125784431).

It is not a de Polignac number, because 125784425 - 212 = 125780329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24644 + ... + 29306.

It is an arithmetic number, because the mean of its divisors is an integer number (7084616).

Almost surely, 2125784425 is an apocalyptic number.

It is an amenable number.

125784425 is a deficient number, since it is larger than the sum of its proper divisors (44246359).

125784425 is a wasteful number, since it uses less digits than its factorization.

125784425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769 (or 4764 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 125784425 is about 11215.3655758517. The cubic root of 125784425 is about 501.0437197821.

The spelling of 125784425 in words is "one hundred twenty-five million, seven hundred eighty-four thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 83 325 415 1079 2075 4663 5395 23315 26975 60619 116575 303095 387029 1515475 1935145 5031377 9675725 25156885 125784425