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190432230 = 2359476703
BaseRepresentation
bin10110101100111…
…00001111100110
3111021022221220120
423112130033212
5342222312410
630521342410
74501435002
oct1326341746
9437287816
10190432230
119854860a
1253937a06
13305b73c1
141b411702
1511ab9570
hexb59c3e6

190432230 has 32 divisors (see below), whose sum is σ = 457588224. Its totient is φ = 50720736.

The previous prime is 190432213. The next prime is 190432247. The reversal of 190432230 is 32234091.

It is an interprime number because it is at equal distance from previous prime (190432213) and next prime (190432247).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190432230.

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, 25059 + ... + 31761.

It is an arithmetic number, because the mean of its divisors is an integer number (14299632).

Almost surely, 2190432230 is an apocalyptic number.

190432230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190432230 is an abundant number, since it is smaller than the sum of its proper divisors (267155994).

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

190432230 is a wasteful number, since it uses less digits than its factorization.

190432230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 190432230 is about 13799.7184753893. The cubic root of 190432230 is about 575.3253155976.

The spelling of 190432230 in words is "one hundred ninety million, four hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 947 1894 2841 4735 5682 6703 9470 13406 14205 20109 28410 33515 40218 67030 100545 201090 6347741 12695482 19043223 31738705 38086446 63477410 95216115 190432230