Search a number
-
+
163748120 = 23519121433
BaseRepresentation
bin10011100001010…
…01100100011000
3102102010021012012
421300221210120
5313404414440
624125405052
74025556524
oct1160514430
9372107165
10163748120
1184482428
1246a09788
1327c037a3
1417a66d84
15e597e65
hex9c29918

163748120 has 32 divisors (see below), whose sum is σ = 370379520. Its totient is φ = 65153280.

The previous prime is 163748113. The next prime is 163748149. The reversal of 163748120 is 21847361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3077 + ... + 18356.

It is an arithmetic number, because the mean of its divisors is an integer number (11574360).

Almost surely, 2163748120 is an apocalyptic number.

163748120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163748120 is an abundant number, since it is smaller than the sum of its proper divisors (206631400).

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

163748120 is a wasteful number, since it uses less digits than its factorization.

163748120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21635 (or 21631 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 163748120 is about 12796.4104341804. The cubic root of 163748120 is about 547.0899969676.

The spelling of 163748120 in words is "one hundred sixty-three million, seven hundred forty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 191 382 764 955 1528 1910 3820 7640 21433 42866 85732 107165 171464 214330 428660 857320 4093703 8187406 16374812 20468515 32749624 40937030 81874060 163748120