Search a number
-
+
123850120 = 2353096253
BaseRepresentation
bin1110110000111…
…00110110001000
322122001020102111
413120130312020
5223201200440
620142312104
73032465032
oct730346610
9278036374
10123850120
1163a01479
1235588634
131c8744c4
141263cc52
15ad164ea
hex761cd88

123850120 has 16 divisors (see below), whose sum is σ = 278662860. Its totient is φ = 49540032.

The previous prime is 123850109. The next prime is 123850127. The reversal of 123850120 is 21058321.

It can be written as a sum of positive squares in 2 ways, for example, as 111133764 + 12716356 = 10542^2 + 3566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123850091 and 123850100.

It is not an unprimeable number, because it can be changed into a prime (123850127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1548087 + ... + 1548166.

Almost surely, 2123850120 is an apocalyptic number.

123850120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123850120 is an abundant number, since it is smaller than the sum of its proper divisors (154812740).

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

123850120 is a wasteful number, since it uses less digits than its factorization.

123850120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096264 (or 3096260 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 123850120 is about 11128.7968801663. The cubic root of 123850120 is about 498.4621012513.

The spelling of 123850120 in words is "one hundred twenty-three million, eight hundred fifty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3096253 6192506 12385012 15481265 24770024 30962530 61925060 123850120