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42672471 = 314224157
BaseRepresentation
bin1010001011001…
…0000101010111
32222021222121220
42202302011113
541411004341
64122341423
71025465352
oct242620527
988258556
1042672471
11220a6506
121235a873
138ac10aa
14594b299
153b2da66
hex28b2157

42672471 has 4 divisors (see below), whose sum is σ = 56896632. Its totient is φ = 28448312.

The previous prime is 42672463. The next prime is 42672479. The reversal of 42672471 is 17427624.

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

It is an interprime number because it is at equal distance from previous prime (42672463) and next prime (42672479).

It is a cyclic number.

It is not a de Polignac number, because 42672471 - 23 = 42672463 is a prime.

It is a super-3 number, since 3×426724713 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42672479) 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, 7112076 + ... + 7112081.

It is an arithmetic number, because the mean of its divisors is an integer number (14224158).

Almost surely, 242672471 is an apocalyptic number.

42672471 is a deficient number, since it is larger than the sum of its proper divisors (14224161).

42672471 is a wasteful number, since it uses less digits than its factorization.

42672471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14224160.

The product of its digits is 18816, while the sum is 33.

The square root of 42672471 is about 6532.4169340299. The cubic root of 42672471 is about 349.4480306517.

The spelling of 42672471 in words is "forty-two million, six hundred seventy-two thousand, four hundred seventy-one".

Divisors: 1 3 14224157 42672471