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190940525 = 5248715683
BaseRepresentation
bin10110110000110…
…00010101101101
3111022021210011022
423120120111231
5342340044100
630540303525
74505652626
oct1330302555
9438253138
10190940525
1198865496
1253b41ba5
1330734879
141b504a4d
1511b69e85
hexb61856d

190940525 has 12 divisors (see below), whose sum is σ = 237267552. Its totient is φ = 152429040.

The previous prime is 190940521. The next prime is 190940527. The reversal of 190940525 is 525049091.

190940525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190940525 - 22 = 190940521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190940521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4334 + ... + 20016.

It is an arithmetic number, because the mean of its divisors is an integer number (19772296).

Almost surely, 2190940525 is an apocalyptic number.

It is an amenable number.

190940525 is a deficient number, since it is larger than the sum of its proper divisors (46327027).

190940525 is a wasteful number, since it uses less digits than its factorization.

190940525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180 (or 16175 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 190940525 is about 13818.1230635713. The cubic root of 190940525 is about 575.8367401968.

The spelling of 190940525 in words is "one hundred ninety million, nine hundred forty thousand, five hundred twenty-five".

Divisors: 1 5 25 487 2435 12175 15683 78415 392075 7637621 38188105 190940525