Search a number
-
+
163192880 = 2452039911
BaseRepresentation
bin10011011101000…
…10000000110000
3102101002001112202
421232202000300
5313234133010
624105442332
74021054664
oct1156420060
9371061482
10163192880
1184133254
12467a03a8
1327a6ab46
14179608a4
15e4d86a5
hex9ba2030

163192880 has 20 divisors (see below), whose sum is σ = 379423632. Its totient is φ = 65277120.

The previous prime is 163192867. The next prime is 163192927. The reversal of 163192880 is 88291361.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019876 + ... + 1020035.

Almost surely, 2163192880 is an apocalyptic number.

163192880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163192880 is an abundant number, since it is smaller than the sum of its proper divisors (216230752).

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

163192880 is a wasteful number, since it uses less digits than its factorization.

163192880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039924 (or 2039918 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 163192880 is about 12774.6968652880. The cubic root of 163192880 is about 546.4709359431.

The spelling of 163192880 in words is "one hundred sixty-three million, one hundred ninety-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2039911 4079822 8159644 10199555 16319288 20399110 32638576 40798220 81596440 163192880