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372221125 = 5312723447
BaseRepresentation
bin10110001011111…
…010010011000101
3221221101210101121
4112023322103011
51230242034000
6100533553541
712136553533
oct2613722305
9857353347
10372221125
11181122271
12a47a58b1
135c1665b3
1437613153
1522a27b1a
hex162fa4c5

372221125 has 16 divisors (see below), whose sum is σ = 468209664. Its totient is φ = 295419600.

The previous prime is 372221117. The next prime is 372221149. The reversal of 372221125 is 521122273.

It is not a de Polignac number, because 372221125 - 23 = 372221117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 372221125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4152 + ... + 27598.

It is an arithmetic number, because the mean of its divisors is an integer number (29263104).

Almost surely, 2372221125 is an apocalyptic number.

It is an amenable number.

372221125 is a deficient number, since it is larger than the sum of its proper divisors (95988539).

372221125 is a wasteful number, since it uses less digits than its factorization.

372221125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23589 (or 23579 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 372221125 is about 19293.0330689604. The cubic root of 372221125 is about 719.3391086996.

Adding to 372221125 its reverse (521122273), we get a palindrome (893343398).

The spelling of 372221125 in words is "three hundred seventy-two million, two hundred twenty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 127 635 3175 15875 23447 117235 586175 2930875 2977769 14888845 74444225 372221125