Search a number
-
+
220124023 = 73641761
BaseRepresentation
bin11010001111011…
…01001101110111
3120100012110101121
431013231031313
5422322432043
633502004411
75312011000
oct1507551567
9510173347
10220124023
11103288489
1261876707
13367b2002
14213401a7
15144d1ded
hexd1ed377

220124023 has 8 divisors (see below), whose sum is σ = 256704800. Its totient is φ = 188677440.

The previous prime is 220123951. The next prime is 220124033. The reversal of 220124023 is 320421022.

It is a de Polignac number, because none of the positive numbers 2k-220124023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220123988 and 220124006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220124033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320538 + ... + 321223.

It is an arithmetic number, because the mean of its divisors is an integer number (32088100).

Almost surely, 2220124023 is an apocalyptic number.

220124023 is a deficient number, since it is larger than the sum of its proper divisors (36580777).

220124023 is an frugal number, since it uses more digits than its factorization.

220124023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641782 (or 641768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220124023 is about 14836.5771996104. The cubic root of 220124023 is about 603.7944922753.

Adding to 220124023 its reverse (320421022), we get a palindrome (540545045).

The spelling of 220124023 in words is "two hundred twenty million, one hundred twenty-four thousand, twenty-three".

Divisors: 1 7 49 343 641761 4492327 31446289 220124023