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125225072 = 2471118081
BaseRepresentation
bin1110111011011…
…00100001110000
322201122002111122
413131230201300
5224024200242
620232001412
73050252450
oct735544160
9281562448
10125225072
11647604a5
1235b30268
131cc3629b
14128b9d60
15aed8ad2
hex776c870

125225072 has 20 divisors (see below), whose sum is σ = 277284336. Its totient is φ = 53667840.

The previous prime is 125225071. The next prime is 125225099. The reversal of 125225072 is 270522521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125225071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558929 + ... + 559152.

Almost surely, 2125225072 is an apocalyptic number.

It is an amenable number.

125225072 is an abundant number, since it is smaller than the sum of its proper divisors (152059264).

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

125225072 is a wasteful number, since it uses less digits than its factorization.

125225072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118096 (or 1118090 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 125225072 is about 11190.4008864741. The cubic root of 125225072 is about 500.2999160647.

Adding to 125225072 its reverse (270522521), we get a palindrome (395747593).

The spelling of 125225072 in words is "one hundred twenty-five million, two hundred twenty-five thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1118081 2236162 4472324 7826567 8944648 15653134 17889296 31306268 62612536 125225072