Search a number
-
+
38815268 = 2273132929
BaseRepresentation
bin1001010000010…
…0011000100100
32201001000112112
42110010120210
534414042033
63503540152
7650632022
oct224043044
981030475
1038815268
111aa01538
1210bba658
13807051b
145225712
15361ac48
hex2504624

38815268 has 12 divisors (see below), whose sum is σ = 68857740. Its totient is φ = 19141632.

The previous prime is 38815261. The next prime is 38815289. The reversal of 38815268 is 86251883.

It can be written as a sum of positive squares in 2 ways, for example, as 25623844 + 13191424 = 5062^2 + 3632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38815261) 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, 66173 + ... + 66756.

It is an arithmetic number, because the mean of its divisors is an integer number (5738145).

Almost surely, 238815268 is an apocalyptic number.

It is an amenable number.

38815268 is a deficient number, since it is larger than the sum of its proper divisors (30042472).

38815268 is a wasteful number, since it uses less digits than its factorization.

38815268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133006 (or 133004 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 38815268 is about 6230.1900452554. The cubic root of 38815268 is about 338.5848562559.

The spelling of 38815268 in words is "thirty-eight million, eight hundred fifteen thousand, two hundred sixty-eight".

Divisors: 1 2 4 73 146 292 132929 265858 531716 9703817 19407634 38815268