Search a number
-
+
8252972394 = 233214342793
BaseRepresentation
bin1111010111110101…
…00101110101101010
3210022011102102210020
413223322211311222
5113400230104034
63442533501310
7411342052002
oct75372456552
923264372706
108252972394
113555651347
121723aa1836
13a16a86724
14584119002
1533481a249
hex1ebea5d6a

8252972394 has 16 divisors (see below), whose sum is σ = 16506844032. Its totient is φ = 2750840928.

The previous prime is 8252972363. The next prime is 8252972443. The reversal of 8252972394 is 4932792528.

It is a super-2 number, since 2×82529723942 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171462 + ... + 214254.

It is an arithmetic number, because the mean of its divisors is an integer number (1031677752).

Almost surely, 28252972394 is an apocalyptic number.

8252972394 is an abundant number, since it is smaller than the sum of its proper divisors (8253871638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8252972394 is a wasteful number, since it uses less digits than its factorization.

8252972394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74941.

The product of its digits is 2177280, while the sum is 51.

The square root of 8252972394 is about 90845.8716398274. The cubic root of 8252972394 is about 2020.8626510234.

The spelling of 8252972394 in words is "eight billion, two hundred fifty-two million, nine hundred seventy-two thousand, three hundred ninety-four".

Divisors: 1 2 3 6 32143 42793 64286 85586 96429 128379 192858 256758 1375495399 2750990798 4126486197 8252972394