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42160700 = 2252421607
BaseRepresentation
bin1010000011010…
…1001000111100
32221022222121102
42200311020330
541243120300
64103352232
71021234331
oct240651074
987288542
1042160700
1121886a5a
1212152678
13897217a
145856988
153a7c0d5
hex283523c

42160700 has 18 divisors (see below), whose sum is σ = 91488936. Its totient is φ = 16864240.

The previous prime is 42160687. The next prime is 42160717. The reversal of 42160700 is 706124.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210704 + ... + 210903.

Almost surely, 242160700 is an apocalyptic number.

It is an amenable number.

42160700 is an abundant number, since it is smaller than the sum of its proper divisors (49328236).

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

42160700 is a wasteful number, since it uses less digits than its factorization.

42160700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421621 (or 421614 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 42160700 is about 6493.1271356720. The cubic root of 42160700 is about 348.0454315989.

Adding to 42160700 its reverse (706124), we get a palindrome (42866824).

The spelling of 42160700 in words is "forty-two million, one hundred sixty thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 421607 843214 1686428 2108035 4216070 8432140 10540175 21080350 42160700