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42067432 = 2311478039
BaseRepresentation
bin1010000001111…
…0010111101000
32221011020200001
42200132113220
541232124212
64101352344
71020365401
oct240362750
987136601
1042067432
1121822980
12121086b4
13893b894
1458309a8
153a5e657
hex281e5e8

42067432 has 16 divisors (see below), whose sum is σ = 86047200. Its totient is φ = 19121520.

The previous prime is 42067423. The next prime is 42067439. The reversal of 42067432 is 23476024.

It is a super-3 number, since 3×420674323 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42067432.

It is not an unprimeable number, because it can be changed into a prime (42067439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238932 + ... + 239107.

It is an arithmetic number, because the mean of its divisors is an integer number (5377950).

Almost surely, 242067432 is an apocalyptic number.

It is an amenable number.

42067432 is an abundant number, since it is smaller than the sum of its proper divisors (43979768).

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

42067432 is a wasteful number, since it uses less digits than its factorization.

42067432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478056 (or 478052 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 42067432 is about 6485.9411036487. The cubic root of 42067432 is about 347.7885931379.

The spelling of 42067432 in words is "forty-two million, sixty-seven thousand, four hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 478039 956078 1912156 3824312 5258429 10516858 21033716 42067432