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190352428 = 22733720173
BaseRepresentation
bin10110101100010…
…00110000101100
3111021011220102221
423112020300230
5342212234203
630515525124
74500653230
oct1326106054
9437156387
10190352428
11984a3662
12538b97a4
1330589c96
141b3d05c0
1511aa0abd
hexb588c2c

190352428 has 24 divisors (see below), whose sum is σ = 381853472. Its totient is φ = 81333504.

The previous prime is 190352423. The next prime is 190352441. The reversal of 190352428 is 824253091.

It is a junction number, because it is equal to n+sod(n) for n = 190352393 and 190352402.

It is not an unprimeable number, because it can be changed into a prime (190352423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 19522.

Almost surely, 2190352428 is an apocalyptic number.

It is an amenable number.

190352428 is an abundant number, since it is smaller than the sum of its proper divisors (191501044).

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

190352428 is a wasteful number, since it uses less digits than its factorization.

190352428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521 (or 20519 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 190352428 is about 13796.8267366087. The cubic root of 190352428 is about 575.2449396277.

The spelling of 190352428 in words is "one hundred ninety million, three hundred fifty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 337 674 1348 2359 4718 9436 20173 40346 80692 141211 282422 564844 6798301 13596602 27193204 47588107 95176214 190352428