Search a number
-
+
168023542 = 21135211427
BaseRepresentation
bin10100000001111…
…01010111110110
3102201011110222011
422000331113312
5321003223132
624401154434
74110114361
oct1200752766
9381143864
10168023542
1186932635
124832ba1a
1328a6c81b
141845b0d8
15eb3eb47
hexa03d5f6

168023542 has 16 divisors (see below), whose sum is σ = 254932272. Its totient is φ = 83050240.

The previous prime is 168023507. The next prime is 168023551. The reversal of 168023542 is 245320861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117033 + ... + 118459.

It is an arithmetic number, because the mean of its divisors is an integer number (15933267).

Almost surely, 2168023542 is an apocalyptic number.

168023542 is a deficient number, since it is larger than the sum of its proper divisors (86908730).

168023542 is a wasteful number, since it uses less digits than its factorization.

168023542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 168023542 is about 12962.3895173691. The cubic root of 168023542 is about 551.8106081172.

The spelling of 168023542 in words is "one hundred sixty-eight million, twenty-three thousand, five hundred forty-two".

Divisors: 1 2 113 226 521 1042 1427 2854 58873 117746 161251 322502 743467 1486934 84011771 168023542