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190889082 = 23326313441
BaseRepresentation
bin10110110000010…
…11110001111010
3111022012011121000
423120023301322
5342331422312
630535225430
74505346636
oct1330136172
9438164530
10190889082
119882a87a
1253b18276
1330717327
141b4cddc6
1511b59adc
hexb60bc7a

190889082 has 32 divisors (see below), whose sum is σ = 425842560. Its totient is φ = 63383040.

The previous prime is 190889081. The next prime is 190889099. The reversal of 190889082 is 280988091.

It is not an unprimeable number, because it can be changed into a prime (190889081) 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, 7482 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (13307580).

Almost surely, 2190889082 is an apocalyptic number.

190889082 is an abundant number, since it is smaller than the sum of its proper divisors (234953478).

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

190889082 is a wasteful number, since it uses less digits than its factorization.

190889082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715 (or 13709 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 190889082 is about 13816.2615059212. The cubic root of 190889082 is about 575.7850217710.

Subtracting 190889082 from its reverse (280988091), we obtain a palindrome (90099009).

The spelling of 190889082 in words is "one hundred ninety million, eight hundred eighty-nine thousand, eighty-two".

Divisors: 1 2 3 6 9 18 27 54 263 526 789 1578 2367 4734 7101 13441 14202 26882 40323 80646 120969 241938 362907 725814 3534983 7069966 10604949 21209898 31814847 63629694 95444541 190889082