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42067453 = 344912197
BaseRepresentation
bin1010000001111…
…0010111111101
32221011020200211
42200132113331
541232124303
64101352421
71020365431
oct240362775
987136624
1042067453
112182299a
1212108711
13893b8ac
1458309c1
153a5e66d
hex281e5fd

42067453 has 4 divisors (see below), whose sum is σ = 42083100. Its totient is φ = 42051808.

The previous prime is 42067447. The next prime is 42067457. The reversal of 42067453 is 35476024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11009124 + 31058329 = 3318^2 + 5573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42067453 is a prime.

It is a super-3 number, since 3×420674533 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42067457) 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, 2650 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (10520775).

Almost surely, 242067453 is an apocalyptic number.

It is an amenable number.

42067453 is a deficient number, since it is larger than the sum of its proper divisors (15647).

42067453 is a wasteful number, since it uses less digits than its factorization.

42067453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 42067453 is about 6485.9427225346. The cubic root of 42067453 is about 347.7886510097.

The spelling of 42067453 in words is "forty-two million, sixty-seven thousand, four hundred fifty-three".

Divisors: 1 3449 12197 42067453