Search a number
-
+
19141992 = 2332265861
BaseRepresentation
bin100100100000…
…1010101101000
31100000111212200
41021001111220
514400020432
61522140200
7321463362
oct111012550
940014780
1019141992
11a894731
1264b1660
133c72a2c
142783d32
151a31a7c
hex1241568

19141992 has 24 divisors (see below), whose sum is σ = 51843090. Its totient is φ = 6380640.

The previous prime is 19141961. The next prime is 19141999. The reversal of 19141992 is 29914191.

It can be written as a sum of positive squares in only one way, i.e., 18714276 + 427716 = 4326^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19141999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132859 + ... + 133002.

Almost surely, 219141992 is an apocalyptic number.

19141992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19141992 is an abundant number, since it is smaller than the sum of its proper divisors (32701098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19141992 is a wasteful number, since it uses less digits than its factorization.

19141992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265873 (or 265866 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 19141992 is about 4375.1562257821. The cubic root of 19141992 is about 267.5032380893.

The spelling of 19141992 in words is "nineteen million, one hundred forty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 265861 531722 797583 1063444 1595166 2126888 2392749 3190332 4785498 6380664 9570996 19141992