Search a number
-
+
42563877 = 368320773
BaseRepresentation
bin1010001001011…
…1100100100101
32222002110122220
42202113210211
541344021002
64120142553
71024533636
oct242274445
988073586
1042563877
1122031964
1212307a59
138a83835
14591d88d
153b0b7bc
hex2897925

42563877 has 8 divisors (see below), whose sum is σ = 56837664. Its totient is φ = 28333008.

The previous prime is 42563849. The next prime is 42563879. The reversal of 42563877 is 77836524.

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

It is not a de Polignac number, because 42563877 - 26 = 42563813 is a prime.

It is a super-2 number, since 2×425638772 = 3623367250542258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42563879) 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, 8338 + ... + 12435.

It is an arithmetic number, because the mean of its divisors is an integer number (7104708).

Almost surely, 242563877 is an apocalyptic number.

It is an amenable number.

42563877 is a deficient number, since it is larger than the sum of its proper divisors (14273787).

42563877 is a wasteful number, since it uses less digits than its factorization.

42563877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21459.

The product of its digits is 282240, while the sum is 42.

The square root of 42563877 is about 6524.0997080057. The cubic root of 42563877 is about 349.1513507356.

The spelling of 42563877 in words is "forty-two million, five hundred sixty-three thousand, eight hundred seventy-seven".

Divisors: 1 3 683 2049 20773 62319 14187959 42563877