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190934220 = 22353182237
BaseRepresentation
bin10110110000101…
…10110011001100
3111022021110111210
423120112303030
5342334343340
630540214420
74505625351
oct1330266314
9438243453
10190934220
1198860784
1253b3a410
1330731a39
141b502628
1511b68180
hexb616ccc

190934220 has 24 divisors (see below), whose sum is σ = 534615984. Its totient is φ = 50915776.

The previous prime is 190934189. The next prime is 190934221. The reversal of 190934220 is 22439091.

190934220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (190934221) 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, 1591059 + ... + 1591178.

It is an arithmetic number, because the mean of its divisors is an integer number (22275666).

Almost surely, 2190934220 is an apocalyptic number.

190934220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190934220 is an abundant number, since it is smaller than the sum of its proper divisors (343681764).

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

190934220 is a wasteful number, since it uses less digits than its factorization.

190934220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182249 (or 3182247 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 190934220 is about 13817.8949192704. The cubic root of 190934220 is about 575.8304019394.

The spelling of 190934220 in words is "one hundred ninety million, nine hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3182237 6364474 9546711 12728948 15911185 19093422 31822370 38186844 47733555 63644740 95467110 190934220