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125342320 = 2451566779
BaseRepresentation
bin1110111100010…
…01001001110000
322201212001100011
413132021021300
5224041423240
620234304304
73051251335
oct736111160
9281761304
10125342320
11648305a4
1235b88094
131cc7776c
141290a98c
15b00d6ea
hex7789270

125342320 has 20 divisors (see below), whose sum is σ = 291421080. Its totient is φ = 50136896.

The previous prime is 125342317. The next prime is 125342323. The reversal of 125342320 is 23243521.

It is an interprime number because it is at equal distance from previous prime (125342317) and next prime (125342323).

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 125342291 and 125342300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125342323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 783310 + ... + 783469.

It is an arithmetic number, because the mean of its divisors is an integer number (14571054).

Almost surely, 2125342320 is an apocalyptic number.

125342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125342320 is an abundant number, since it is smaller than the sum of its proper divisors (166078760).

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

125342320 is a wasteful number, since it uses less digits than its factorization.

125342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566792 (or 1566786 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 125342320 is about 11195.6384364627. The cubic root of 125342320 is about 500.4560106488.

Adding to 125342320 its reverse (23243521), we get a palindrome (148585841).

The spelling of 125342320 in words is "one hundred twenty-five million, three hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1566779 3133558 6267116 7833895 12534232 15667790 25068464 31335580 62671160 125342320