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190295985 = 35111153309
BaseRepresentation
bin10110101011110…
…10111110110001
3111021002001000110
423111322332301
5342203432420
630514411533
74500326535
oct1325727661
9437061013
10190295985
1198465210
1253890ba9
133056a399
141b3b7bc5
1511a8dee0
hexb57afb1

190295985 has 16 divisors (see below), whose sum is σ = 332153280. Its totient is φ = 92264640.

The previous prime is 190295983. The next prime is 190296031. The reversal of 190295985 is 589592091.

It is a happy number.

It is not a de Polignac number, because 190295985 - 21 = 190295983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190295983) 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, 576490 + ... + 576819.

It is an arithmetic number, because the mean of its divisors is an integer number (20759580).

Almost surely, 2190295985 is an apocalyptic number.

190295985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190295985 is a deficient number, since it is larger than the sum of its proper divisors (141857295).

190295985 is a wasteful number, since it uses less digits than its factorization.

190295985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153328.

The product of its (nonzero) digits is 291600, while the sum is 48.

The square root of 190295985 is about 13794.7810783644. The cubic root of 190295985 is about 575.1880771014.

The spelling of 190295985 in words is "one hundred ninety million, two hundred ninety-five thousand, nine hundred eighty-five".

Divisors: 1 3 5 11 15 33 55 165 1153309 3459927 5766545 12686399 17299635 38059197 63431995 190295985