[go: up one dir, main page]

Search a number
-
+
19930024 = 233180363
BaseRepresentation
bin100110000000…
…1101110101000
31101111112212001
41030001232220
520100230044
61551100344
7331255012
oct114015650
941445761
1019930024
11102827a4
1268116b4
13418a61a
14290b1b2
151b3a2d4
hex1301ba8

19930024 has 16 divisors (see below), whose sum is σ = 38574720. Its totient is φ = 9643440.

The previous prime is 19930007. The next prime is 19930033. The reversal of 19930024 is 42003991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19929974 and 19930001.

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, 39934 + ... + 40429.

It is an arithmetic number, because the mean of its divisors is an integer number (2410920).

Almost surely, 219930024 is an apocalyptic number.

It is an amenable number.

19930024 is a deficient number, since it is larger than the sum of its proper divisors (18644696).

19930024 is a wasteful number, since it uses less digits than its factorization.

19930024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80400 (or 80396 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 19930024 is about 4464.3055450988. The cubic root of 19930024 is about 271.1248182525.

It can be divided in two parts, 1993002 and 4, that added together give a triangular number (1993006 = T1996).

The spelling of 19930024 in words is "nineteen million, nine hundred thirty thousand, twenty-four".

Divisors: 1 2 4 8 31 62 124 248 80363 160726 321452 642904 2491253 4982506 9965012 19930024