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42353130 = 2353145541
BaseRepresentation
bin1010000110010…
…0000111101010
32221200202120110
42201210013222
541320300010
64111435150
71022665341
oct241440752
987622513
1042353130
11219a8596
1212225ab6
138a0b931
1458a6b58
153ab9120
hex28641ea

42353130 has 32 divisors (see below), whose sum is σ = 104928768. Its totient is φ = 10929600.

The previous prime is 42353119. The next prime is 42353141. The reversal of 42353130 is 3135324.

It is an interprime number because it is at equal distance from previous prime (42353119) and next prime (42353141).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42353097 and 42353106.

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 15 ways as a sum of consecutive naturals, for example, 21841 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (3279024).

Almost surely, 242353130 is an apocalyptic number.

42353130 is an abundant number, since it is smaller than the sum of its proper divisors (62575638).

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

42353130 is a wasteful number, since it uses less digits than its factorization.

42353130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45582.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 42353130 is about 6507.9282417679. The cubic root of 42353130 is about 348.5741447140.

Adding to 42353130 its reverse (3135324), we get a palindrome (45488454).

The spelling of 42353130 in words is "forty-two million, three hundred fifty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 45541 91082 136623 227705 273246 455410 683115 1366230 1411771 2823542 4235313 7058855 8470626 14117710 21176565 42353130