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42650493 = 324158991
BaseRepresentation
bin1010001010110…
…0101101111101
32222020212110220
42202230231331
541404303433
64122051553
71025344314
oct242545575
988225426
1042650493
1122090a46
1212349bb9
138ab40a2
14594327b
153b272b3
hex28acb7d

42650493 has 8 divisors (see below), whose sum is σ = 57104256. Its totient is φ = 28315200.

The previous prime is 42650483. The next prime is 42650507. The reversal of 42650493 is 39405624.

42650493 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 42650493 - 210 = 42649469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42650423) 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, 28773 + ... + 30218.

It is an arithmetic number, because the mean of its divisors is an integer number (7138032).

Almost surely, 242650493 is an apocalyptic number.

It is an amenable number.

42650493 is a deficient number, since it is larger than the sum of its proper divisors (14453763).

42650493 is a wasteful number, since it uses less digits than its factorization.

42650493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59235.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42650493 is about 6530.7344916173. The cubic root of 42650493 is about 349.3880271917.

The spelling of 42650493 in words is "forty-two million, six hundred fifty thousand, four hundred ninety-three".

Divisors: 1 3 241 723 58991 176973 14216831 42650493