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42193430 = 2510693947
BaseRepresentation
bin1010000011110…
…1001000010110
32221101122111122
42200331020112
541300142210
64104203542
71021431626
oct240751026
987348448
1042193430
11218a9604
12121695b2
138984036
145864886
153a86b55
hex283d216

42193430 has 16 divisors (see below), whose sum is σ = 76038480. Its totient is φ = 16857312.

The previous prime is 42193429. The next prime is 42193441. The reversal of 42193430 is 3439124.

It is a self number, because there is not a number n which added to its sum of digits gives 42193430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8717 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (4752405).

Almost surely, 242193430 is an apocalyptic number.

42193430 is a deficient number, since it is larger than the sum of its proper divisors (33845050).

42193430 is a wasteful number, since it uses less digits than its factorization.

42193430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42193430 is about 6495.6470039558. The cubic root of 42193430 is about 348.1354726438.

The spelling of 42193430 in words is "forty-two million, one hundred ninety-three thousand, four hundred thirty".

Divisors: 1 2 5 10 1069 2138 3947 5345 7894 10690 19735 39470 4219343 8438686 21096715 42193430