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190919242 = 2181152711
BaseRepresentation
bin10110110000100…
…11001001001010
3111022020200222001
423120103021022
5342333403432
630540021214
74505533603
oct1330231112
9438220861
10190919242
11988504a8
1253b3180a
1330727c87
141b4dadaa
1511b639e7
hexb61324a

190919242 has 8 divisors (see below), whose sum is σ = 286542432. Its totient is φ = 95405100.

The previous prime is 190919237. The next prime is 190919257. The reversal of 190919242 is 242919091.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22734 + ... + 29977.

It is an arithmetic number, because the mean of its divisors is an integer number (35817804).

Almost surely, 2190919242 is an apocalyptic number.

190919242 is a deficient number, since it is larger than the sum of its proper divisors (95623190).

190919242 is a wasteful number, since it uses less digits than its factorization.

190919242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54524.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 190919242 is about 13817.3529302830. The cubic root of 190919242 is about 575.8153443744.

The spelling of 190919242 in words is "one hundred ninety million, nine hundred nineteen thousand, two hundred forty-two".

Divisors: 1 2 1811 3622 52711 105422 95459621 190919242