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190014789 = 3503125921
BaseRepresentation
bin10110101001101…
…10010101000101
3111020112202021210
423110312111011
5342120433124
630504402033
74465045656
oct1324662505
9436482253
10190014789
1198292a18
1253776319
133049c3b3
141b34352d
1511a35a29
hexb536545

190014789 has 8 divisors (see below), whose sum is σ = 253858752. Its totient is φ = 126423680.

The previous prime is 190014743. The next prime is 190014793. The reversal of 190014789 is 987410091.

It is a happy number.

190014789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190014789 - 211 = 190012741 is a prime.

It is a super-2 number, since 2×1900147892 = 72211240077429042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190014719) 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, 61452 + ... + 64469.

It is an arithmetic number, because the mean of its divisors is an integer number (31732344).

Almost surely, 2190014789 is an apocalyptic number.

It is an amenable number.

190014789 is a deficient number, since it is larger than the sum of its proper divisors (63843963).

190014789 is a wasteful number, since it uses less digits than its factorization.

190014789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126427.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 190014789 is about 13784.5851950648. The cubic root of 190014789 is about 574.9046233740.

The spelling of 190014789 in words is "one hundred ninety million, fourteen thousand, seven hundred eighty-nine".

Divisors: 1 3 503 1509 125921 377763 63338263 190014789