Search a number
-
+
42141740 = 2252107087
BaseRepresentation
bin1010000011000…
…0100000101100
32221022000121012
42200300200230
541242013430
64103124352
71021125134
oct240604054
987260535
1042141740
1121873793
12121436b8
138966654
14584dac4
153a76695
hex283082c

42141740 has 12 divisors (see below), whose sum is σ = 88497696. Its totient is φ = 16856688.

The previous prime is 42141739. The next prime is 42141769. The reversal of 42141740 is 4714124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053524 + ... + 1053563.

It is an arithmetic number, because the mean of its divisors is an integer number (7374808).

Almost surely, 242141740 is an apocalyptic number.

It is an amenable number.

42141740 is an abundant number, since it is smaller than the sum of its proper divisors (46355956).

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

42141740 is a wasteful number, since it uses less digits than its factorization.

42141740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107096 (or 2107094 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 42141740 is about 6491.6669661960. Note that the first 3 decimals coincide. The cubic root of 42141740 is about 347.9932508490.

Adding to 42141740 its reverse (4714124), we get a palindrome (46855864).

The spelling of 42141740 in words is "forty-two million, one hundred forty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2107087 4214174 8428348 10535435 21070870 42141740