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190019435 = 538003887
BaseRepresentation
bin10110101001101…
…11011101101011
3111020112222122212
423110313131223
5342121110220
630504435335
74465065344
oct1324673553
9436488585
10190019435
1198296461
1253778b4b
13304a1548
141b3450cb
1511a370c5
hexb53776b

190019435 has 4 divisors (see below), whose sum is σ = 228023328. Its totient is φ = 152015544.

The previous prime is 190019413. The next prime is 190019497. The reversal of 190019435 is 534910091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 534910091 = 1633281657.

It is a cyclic number.

It is not a de Polignac number, because 190019435 - 216 = 189953899 is a prime.

It is a super-2 number, since 2×1900194352 = 72214771355438450, which contains 22 as substring.

It is a Duffinian number.

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, 19001939 + ... + 19001948.

It is an arithmetic number, because the mean of its divisors is an integer number (57005832).

Almost surely, 2190019435 is an apocalyptic number.

190019435 is a deficient number, since it is larger than the sum of its proper divisors (38003893).

190019435 is an equidigital number, since it uses as much as digits as its factorization.

190019435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38003892.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 190019435 is about 13784.7537156091. The cubic root of 190019435 is about 574.9093089481.

The spelling of 190019435 in words is "one hundred ninety million, nineteen thousand, four hundred thirty-five".

Divisors: 1 5 38003887 190019435