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42067099 = 1271392383
BaseRepresentation
bin1010000001111…
…0010010011011
32221011020012201
42200132102123
541232121344
64101351031
71020364414
oct240362233
987136181
1042067099
11218226a8
1212108477
13893b699
14583080b
153a5e4d4
hex281e49b

42067099 has 8 divisors (see below), whose sum is σ = 42721280. Its totient is φ = 41418216.

The previous prime is 42067087. The next prime is 42067111. The reversal of 42067099 is 99076024.

It is an interprime number because it is at equal distance from previous prime (42067087) and next prime (42067111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42067099 is a prime.

It is a super-3 number, since 3×420670993 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42067019) 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, 16462 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (5340160).

Almost surely, 242067099 is an apocalyptic number.

42067099 is a deficient number, since it is larger than the sum of its proper divisors (654181).

42067099 is a wasteful number, since it uses less digits than its factorization.

42067099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 42067099 is about 6485.9154326895. The cubic root of 42067099 is about 347.7876754532.

The spelling of 42067099 in words is "forty-two million, sixty-seven thousand, ninety-nine".

Divisors: 1 127 139 2383 17653 302641 331237 42067099