Search a number
-
+
190495442 = 2211451411
BaseRepresentation
bin10110101101010…
…11101011010010
3111021110011121202
423112223223102
5342231323232
630522551202
74502120204
oct1326535322
9437404552
10190495442
1198591055
1253968502
133060a0c7
141b42a774
1511acd162
hexb5abad2

190495442 has 8 divisors (see below), whose sum is σ = 287098032. Its totient is φ = 94796100.

The previous prime is 190495427. The next prime is 190495447. The reversal of 190495442 is 244594091.

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

It is a junction number, because it is equal to n+sod(n) for n = 190495396 and 190495405.

It is not an unprimeable number, because it can be changed into a prime (190495447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225284 + ... + 226127.

It is an arithmetic number, because the mean of its divisors is an integer number (35887254).

Almost surely, 2190495442 is an apocalyptic number.

190495442 is a deficient number, since it is larger than the sum of its proper divisors (96602590).

190495442 is a wasteful number, since it uses less digits than its factorization.

190495442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451624.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 190495442 is about 13802.0086219362. The cubic root of 190495442 is about 575.3889663089.

The spelling of 190495442 in words is "one hundred ninety million, four hundred ninety-five thousand, four hundred forty-two".

Divisors: 1 2 211 422 451411 902822 95247721 190495442