Search a number
-
+
163287260 = 22511372251
BaseRepresentation
bin10011011101110…
…01000011011100
3102101020212000022
421232321003130
5313300143020
624111451312
74021630103
oct1156710334
9371225008
10163287260
1184198154
1246826b38
1327aa1aa6
141798703a
15e506625
hex9bb90dc

163287260 has 24 divisors (see below), whose sum is σ = 345942576. Its totient is φ = 64736000.

The previous prime is 163287251. The next prime is 163287269. The reversal of 163287260 is 62782361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163287251) and next prime (163287269).

It is a self number, because there is not a number n which added to its sum of digits gives 163287260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163287269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33866 + ... + 38385.

It is an arithmetic number, because the mean of its divisors is an integer number (14414274).

Almost surely, 2163287260 is an apocalyptic number.

163287260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163287260 is an abundant number, since it is smaller than the sum of its proper divisors (182655316).

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

163287260 is a wasteful number, since it uses less digits than its factorization.

163287260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72373 (or 72371 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 163287260 is about 12778.3903524662. The cubic root of 163287260 is about 546.5762632250.

The spelling of 163287260 in words is "one hundred sixty-three million, two hundred eighty-seven thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 72251 144502 289004 361255 722510 1445020 8164363 16328726 32657452 40821815 81643630 163287260