Search a number
-
+
38980724 = 229745181
BaseRepresentation
bin1001010010110…
…0110001110100
32201100102111112
42110230301310
534434340344
63511254152
7652221266
oct224546164
981312445
1038980724
1120004882
121107a358
1380ca923
145269b36
15364ec9e
hex252cc74

38980724 has 6 divisors (see below), whose sum is σ = 68216274. Its totient is φ = 19490360.

The previous prime is 38980691. The next prime is 38980741. The reversal of 38980724 is 42708983.

It can be written as a sum of positive squares in only one way, i.e., 24403600 + 14577124 = 4940^2 + 3818^2 .

It is a super-4 number, since 4×389807244 (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872587 + ... + 4872594.

It is an arithmetic number, because the mean of its divisors is an integer number (11369379).

Almost surely, 238980724 is an apocalyptic number.

It is an amenable number.

38980724 is a deficient number, since it is larger than the sum of its proper divisors (29235550).

38980724 is a wasteful number, since it uses less digits than its factorization.

38980724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745185 (or 9745183 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38980724 is about 6243.4544925065. The cubic root of 38980724 is about 339.0652641609.

The spelling of 38980724 in words is "thirty-eight million, nine hundred eighty thousand, seven hundred twenty-four".

Divisors: 1 2 4 9745181 19490362 38980724