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125223320 = 2353130583
BaseRepresentation
bin1110111011011…
…00000110011000
322201122000002202
413131230012120
5224024121240
620231545332
73050244365
oct735540630
9281560082
10125223320
116475a152
1235b2b248
131cc35551
14128b946c
15aed8315
hex776c198

125223320 has 16 divisors (see below), whose sum is σ = 281752560. Its totient is φ = 50089312.

The previous prime is 125223317. The next prime is 125223341. The reversal of 125223320 is 23322521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 125223292 and 125223301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565252 + ... + 1565331.

It is an arithmetic number, because the mean of its divisors is an integer number (17609535).

Almost surely, 2125223320 is an apocalyptic number.

125223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125223320 is an abundant number, since it is smaller than the sum of its proper divisors (156529240).

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

125223320 is a wasteful number, since it uses less digits than its factorization.

125223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130594 (or 3130590 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 125223320 is about 11190.3226048224. The cubic root of 125223320 is about 500.2975828538.

Adding to 125223320 its reverse (23322521), we get a palindrome (148545841).

The spelling of 125223320 in words is "one hundred twenty-five million, two hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3130583 6261166 12522332 15652915 25044664 31305830 62611660 125223320