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42033340 = 2252101667
BaseRepresentation
bin1010000001011…
…0000010111100
32221002111220101
42200112002330
541230031330
64100530444
71020164116
oct240260274
987074811
1042033340
11217aa2a8
12120b0a24
1389291cb
1458223b6
153a544ca
hex28160bc

42033340 has 12 divisors (see below), whose sum is σ = 88270056. Its totient is φ = 16813328.

The previous prime is 42033337. The next prime is 42033353. The reversal of 42033340 is 4333024.

It is a congruent 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, 1050814 + ... + 1050853.

It is an arithmetic number, because the mean of its divisors is an integer number (7355838).

Almost surely, 242033340 is an apocalyptic number.

It is an amenable number.

42033340 is an abundant number, since it is smaller than the sum of its proper divisors (46236716).

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

42033340 is a wasteful number, since it uses less digits than its factorization.

42033340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101676 (or 2101674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 42033340 is about 6483.3124249877. The cubic root of 42033340 is about 347.6946169306.

Adding to 42033340 its reverse (4333024), we get a palindrome (46366364).

The spelling of 42033340 in words is "forty-two million, thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2101667 4203334 8406668 10508335 21016670 42033340