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53925190 = 25111728837
BaseRepresentation
bin1100110110110…
…1010101000110
310202110200110021
43031231111012
5102301101230
65203445354
71223233204
oct315552506
9122420407
1053925190
1128491880
121608685a
13b230bc7
14723a074
154b02c7a
hex336d546

53925190 has 32 divisors (see below), whose sum is σ = 112122144. Its totient is φ = 18455040.

The previous prime is 53925167. The next prime is 53925197. The reversal of 53925190 is 9152935.

It is a happy number.

It is a super-2 number, since 2×539251902 = 5815852233072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53925197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12549 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (3503817).

Almost surely, 253925190 is an apocalyptic number.

53925190 is an abundant number, since it is smaller than the sum of its proper divisors (58196954).

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

53925190 is a wasteful number, since it uses less digits than its factorization.

53925190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28872.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 53925190 is about 7343.3772884144. The cubic root of 53925190 is about 377.8016885737.

The spelling of 53925190 in words is "fifty-three million, nine hundred twenty-five thousand, one hundred ninety".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 28837 57674 144185 288370 317207 490229 634414 980458 1586035 2451145 3172070 4902290 5392519 10785038 26962595 53925190