Search a number
-
+
163145310 = 2355438177
BaseRepresentation
bin10011011100101…
…10011001011110
3102100222122021220
421232112121132
5313231122220
624104434210
74020466206
oct1156263136
9370878256
10163145310
1184100539
1246778966
1327a522b3
141794b406
15e4c9540
hex9b9665e

163145310 has 16 divisors (see below), whose sum is σ = 391548816. Its totient is φ = 43505408.

The previous prime is 163145309. The next prime is 163145317. The reversal of 163145310 is 13541361.

It is a super-2 number, since 2×1631453102 = 53232784349992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163145317) 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, 2719059 + ... + 2719118.

It is an arithmetic number, because the mean of its divisors is an integer number (24471801).

Almost surely, 2163145310 is an apocalyptic number.

163145310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163145310 is an abundant number, since it is smaller than the sum of its proper divisors (228403506).

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

163145310 is a wasteful number, since it uses less digits than its factorization.

163145310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438187.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 163145310 is about 12772.8348458751. The cubic root of 163145310 is about 546.4178328324.

Adding to 163145310 its reverse (13541361), we get a palindrome (176686671).

The spelling of 163145310 in words is "one hundred sixty-three million, one hundred forty-five thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 5438177 10876354 16314531 27190885 32629062 54381770 81572655 163145310