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160023020 = 22514953699
BaseRepresentation
bin10011000100111…
…00000111101100
3102011010000022112
421202130013230
5311431214040
623513503152
73652113263
oct1142340754
9364100275
10160023020
1182368733
1245711ab8
13271cb0a1
14173775da
15e0ae365
hex989c1ec

160023020 has 24 divisors (see below), whose sum is σ = 338310000. Its totient is φ = 63578432.

The previous prime is 160023013. The next prime is 160023043. The reversal of 160023020 is 20320061.

It is a junction number, because it is equal to n+sod(n) for n = 160022986 and 160023004.

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, 23870 + ... + 29829.

It is an arithmetic number, because the mean of its divisors is an integer number (14096250).

Almost surely, 2160023020 is an apocalyptic number.

160023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160023020 is an abundant number, since it is smaller than the sum of its proper divisors (178286980).

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

160023020 is a wasteful number, since it uses less digits than its factorization.

160023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53857 (or 53855 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 160023020 is about 12650.0205533430. The cubic root of 160023020 is about 542.9095578594.

Adding to 160023020 its reverse (20320061), we get a palindrome (180343081).

The spelling of 160023020 in words is "one hundred sixty million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 53699 107398 214796 268495 536990 1073980 8001151 16002302 32004604 40005755 80011510 160023020