Search a number
-
+
2038091938 = 21019045969
BaseRepresentation
bin111100101111010…
…1101000010100010
312021001000210112121
41321132231002202
513133222420223
6534123214454
7101335332001
oct17136550242
95231023477
102038091938
119564a4703
1248a67742a
1326632357c
14154972c38
15bddd915d
hex797ad0a2

2038091938 has 4 divisors (see below), whose sum is σ = 3057137910. Its totient is φ = 1019045968.

The previous prime is 2038091917. The next prime is 2038091947. The reversal of 2038091938 is 8391908302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1895122089 + 142969849 = 43533^2 + 11957^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2038091894 and 2038091903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509522983 + ... + 509522986.

Almost surely, 22038091938 is an apocalyptic number.

2038091938 is a deficient number, since it is larger than the sum of its proper divisors (1019045972).

2038091938 is a wasteful number, since it uses less digits than its factorization.

2038091938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019045971.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2038091938 is about 45145.2316197403. The cubic root of 2038091938 is about 1267.8696045759.

The spelling of 2038091938 in words is "two billion, thirty-eight million, ninety-one thousand, nine hundred thirty-eight".

Divisors: 1 2 1019045969 2038091938