Search a number
-
+
38821352 = 234852669
BaseRepresentation
bin1001010000010…
…1110111101000
32201001022212212
42110011313220
534414240402
63504024252
7650655533
oct224056750
981038785
1038821352
111aa06069
1211002088
13807321b
145227a1a
15361c952
hex2505de8

38821352 has 8 divisors (see below), whose sum is σ = 72790050. Its totient is φ = 19410672.

The previous prime is 38821339. The next prime is 38821357. The reversal of 38821352 is 25312883.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 306916 = 6206^2 + 554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×388213522 = 3014194742215808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38821357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2426327 + ... + 2426342.

Almost surely, 238821352 is an apocalyptic number.

It is an amenable number.

38821352 is a deficient number, since it is larger than the sum of its proper divisors (33968698).

38821352 is a wasteful number, since it uses less digits than its factorization.

38821352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852675 (or 4852671 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 38821352 is about 6230.6782937334. The cubic root of 38821352 is about 338.6025455378.

The spelling of 38821352 in words is "thirty-eight million, eight hundred twenty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 4852669 9705338 19410676 38821352