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42467231 = 375212203
BaseRepresentation
bin1010000111111…
…1111110011111
32221220120002102
42201333332133
541332422411
64114115315
71023652112
oct241777637
987816072
1042467231
1121a76294
121227bb3b
138a4b851
1458d6579
153adcd3b
hex287ff9f

42467231 has 8 divisors (see below), whose sum is σ = 43718544. Its totient is φ = 41221440.

The previous prime is 42467219. The next prime is 42467237. The reversal of 42467231 is 13276424.

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

It is a cyclic number.

It is not a de Polignac number, because 42467231 - 218 = 42205087 is a prime.

It is a super-2 number, since 2×424672312 = 3606931417614722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42467194 and 42467203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42467237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18176 + ... + 20378.

It is an arithmetic number, because the mean of its divisors is an integer number (5464818).

Almost surely, 242467231 is an apocalyptic number.

42467231 is a deficient number, since it is larger than the sum of its proper divisors (1251313).

42467231 is a wasteful number, since it uses less digits than its factorization.

42467231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its digits is 8064, while the sum is 29.

The square root of 42467231 is about 6516.6886529893. The cubic root of 42467231 is about 348.8868881915.

The spelling of 42467231 in words is "forty-two million, four hundred sixty-seven thousand, two hundred thirty-one".

Divisors: 1 37 521 2203 19277 81511 1147763 42467231