[go: up one dir, main page]

Search a number
-
+
123230514 = 23112269631
BaseRepresentation
bin1110101100001…
…01100100110010
322120212202111010
413112011210302
5223021334024
620121131350
73024304431
oct726054462
9276782433
10123230514
1163618a00
1235329b56
131c6b8484
141251b118
15ac42b29
hex7585932

123230514 has 48 divisors (see below), whose sum is σ = 272341440. Its totient is φ = 37144800.

The previous prime is 123230479. The next prime is 123230519. The reversal of 123230514 is 415032321.

It is not an unprimeable number, because it can be changed into a prime (123230519) 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 23 ways as a sum of consecutive naturals, for example, 194979 + ... + 195609.

It is an arithmetic number, because the mean of its divisors is an integer number (5673780).

Almost surely, 2123230514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123230514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136170720).

123230514 is an abundant number, since it is smaller than the sum of its proper divisors (149110926).

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

123230514 is a wasteful number, since it uses less digits than its factorization.

123230514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 123230514 is about 11100.9240155944. The cubic root of 123230514 is about 497.6294642150.

Adding to 123230514 its reverse (415032321), we get a palindrome (538262835).

The spelling of 123230514 in words is "one hundred twenty-three million, two hundred thirty thousand, five hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 121 242 269 363 538 631 726 807 1262 1614 1893 2959 3786 5918 6941 8877 13882 17754 20823 32549 41646 65098 76351 97647 152702 169739 195294 229053 339478 458106 509217 1018434 1867129 3734258 5601387 11202774 20538419 41076838 61615257 123230514