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38948099 = 61962921
BaseRepresentation
bin1001010010010…
…0110100000011
32201021202202012
42110210310003
534432314344
63510443135
7652024211
oct224446403
981252665
1038948099
111aa92313
12110634ab
1380b8b18
14525bcb1
15364529e
hex2524d03

38948099 has 4 divisors (see below), whose sum is σ = 39011640. Its totient is φ = 38884560.

The previous prime is 38948069. The next prime is 38948113. The reversal of 38948099 is 99084983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99084983 = 401324691.

It is a cyclic number.

It is not a de Polignac number, because 38948099 - 220 = 37899523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38948069) 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, 30842 + ... + 32079.

It is an arithmetic number, because the mean of its divisors is an integer number (9752910).

Almost surely, 238948099 is an apocalyptic number.

38948099 is a deficient number, since it is larger than the sum of its proper divisors (63541).

38948099 is an equidigital number, since it uses as much as digits as its factorization.

38948099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63540.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 38948099 is about 6240.8412093243. The cubic root of 38948099 is about 338.9706439600.

The spelling of 38948099 in words is "thirty-eight million, nine hundred forty-eight thousand, ninety-nine".

Divisors: 1 619 62921 38948099