Search a number
-
+
123828485 = 5112251427
BaseRepresentation
bin1110110000101…
…11100100000101
322122000010202012
413120113210011
5223200002420
620142024005
73032344664
oct730274405
9278003665
10123828485
11639971a0
1235578005
131c8676c1
1412634ddb
15ad0edc5
hex7617905

123828485 has 8 divisors (see below), whose sum is σ = 162102816. Its totient is φ = 90057040.

The previous prime is 123828461. The next prime is 123828563. The reversal of 123828485 is 584828321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123828485 - 216 = 123762949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1125659 + ... + 1125768.

It is an arithmetic number, because the mean of its divisors is an integer number (20262852).

Almost surely, 2123828485 is an apocalyptic number.

It is an amenable number.

123828485 is a deficient number, since it is larger than the sum of its proper divisors (38274331).

123828485 is a wasteful number, since it uses less digits than its factorization.

123828485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251443.

The product of its digits is 122880, while the sum is 41.

The square root of 123828485 is about 11127.8248099078. The cubic root of 123828485 is about 498.4330746193.

The spelling of 123828485 in words is "one hundred twenty-three million, eight hundred twenty-eight thousand, four hundred eighty-five".

Divisors: 1 5 11 55 2251427 11257135 24765697 123828485