Search a number
-
+
163250164 = 22731129373
BaseRepresentation
bin10011011101011…
…11111111110100
3102101011222010101
421232233333310
5313243001124
624111003444
74021414000
oct1156577764
9371158111
10163250164
11841722a0
1246809584
1327a8ac3c
1417977700
15e4ea644
hex9bafff4

163250164 has 96 divisors (see below), whose sum is σ = 376992000. Its totient is φ = 61246080.

The previous prime is 163250161. The next prime is 163250173. The reversal of 163250164 is 461052361.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163250161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437482 + ... + 437854.

It is an arithmetic number, because the mean of its divisors is an integer number (3927000).

Almost surely, 2163250164 is an apocalyptic number.

163250164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163250164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188496000).

163250164 is an abundant number, since it is smaller than the sum of its proper divisors (213741836).

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

163250164 is a wasteful number, since it uses less digits than its factorization.

163250164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 163250164 is about 12776.9387569950. The cubic root of 163250164 is about 546.5348692451.

The spelling of 163250164 in words is "one hundred sixty-three million, two hundred fifty thousand, one hundred sixty-four".

Divisors: 1 2 4 7 11 14 22 28 29 44 49 58 77 98 116 154 196 203 308 319 343 373 406 539 638 686 746 812 1078 1276 1372 1421 1492 2156 2233 2611 2842 3773 4103 4466 5222 5684 7546 8206 8932 9947 10444 10817 15092 15631 16412 18277 19894 21634 28721 31262 36554 39788 43268 57442 62524 73108 75719 109417 114884 118987 127939 151438 201047 218834 237974 255878 302876 402094 437668 475948 511756 530033 804188 832909 1060066 1407329 1665818 2120132 2814658 3331636 3710231 5629316 5830363 7420462 11660726 14840924 23321452 40812541 81625082 163250164