Search a number
-
+
1912942 = 21756263
BaseRepresentation
bin111010011000001101110
310121012001201
413103001232
5442203232
6105000114
722155043
oct7230156
93535051
101912942
111097249
1278303a
1351c925
1437b1ca
1527bbe7
hex1d306e

1912942 has 8 divisors (see below), whose sum is σ = 3038256. Its totient is φ = 900192.

The previous prime is 1912921. The next prime is 1912943. The reversal of 1912942 is 2492191.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1912942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28098 + ... + 28165.

It is an arithmetic number, because the mean of its divisors is an integer number (379782).

21912942 is an apocalyptic number.

1912942 is a deficient number, since it is larger than the sum of its proper divisors (1125314).

1912942 is a wasteful number, since it uses less digits than its factorization.

1912942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56282.

The product of its digits is 1296, while the sum is 28.

The square root of 1912942 is about 1383.0914647991. The cubic root of 1912942 is about 124.1368156899.

The spelling of 1912942 in words is "one million, nine hundred twelve thousand, nine hundred forty-two".

Divisors: 1 2 17 34 56263 112526 956471 1912942