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42672103 = 411040783
BaseRepresentation
bin1010001011000…
…1111111100111
32222021222010021
42202301333213
541411001403
64122340011
71025464315
oct242617747
988258107
1042672103
11220a6201
121235a607
138ac0b86
14594b0b5
153b2d8bd
hex28b1fe7

42672103 has 4 divisors (see below), whose sum is σ = 43712928. Its totient is φ = 41631280.

The previous prime is 42672101. The next prime is 42672173. The reversal of 42672103 is 30127624.

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

It is a cyclic number.

It is not a de Polignac number, because 42672103 - 21 = 42672101 is a prime.

It is a super-3 number, since 3×426721033 (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 (42672101) 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, 520351 + ... + 520432.

It is an arithmetic number, because the mean of its divisors is an integer number (10928232).

Almost surely, 242672103 is an apocalyptic number.

42672103 is a deficient number, since it is larger than the sum of its proper divisors (1040825).

42672103 is a wasteful number, since it uses less digits than its factorization.

42672103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040824.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 42672103 is about 6532.3887667529. The cubic root of 42672103 is about 349.4470261224.

Adding to 42672103 its reverse (30127624), we get a palindrome (72799727).

The spelling of 42672103 in words is "forty-two million, six hundred seventy-two thousand, one hundred three".

Divisors: 1 41 1040783 42672103