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42340130 = 257604859
BaseRepresentation
bin1010000110000…
…0111100100010
32221200002201222
42201200330202
541314341010
64111255042
71022612420
oct241407442
987602658
1042340130
1121999848
121221a482
138a05a41
1458a2110
153ab5355
hex2860f22

42340130 has 16 divisors (see below), whose sum is σ = 87099840. Its totient is φ = 14516592.

The previous prime is 42340127. The next prime is 42340139. The reversal of 42340130 is 3104324.

It is a junction number, because it is equal to n+sod(n) for n = 42340099 and 42340108.

It is not an unprimeable number, because it can be changed into a prime (42340139) 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, 302360 + ... + 302499.

It is an arithmetic number, because the mean of its divisors is an integer number (5443740).

Almost surely, 242340130 is an apocalyptic number.

42340130 is an abundant number, since it is smaller than the sum of its proper divisors (44759710).

42340130 is a wasteful number, since it uses less digits than its factorization.

42340130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604873.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42340130 is about 6506.9293833574. The cubic root of 42340130 is about 348.5384769244.

Adding to 42340130 its reverse (3104324), we get a palindrome (45444454).

The spelling of 42340130 in words is "forty-two million, three hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 604859 1209718 3024295 4234013 6048590 8468026 21170065 42340130