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42381154 = 231683567
BaseRepresentation
bin1010000110101…
…0111101100010
32221202012000101
42201222331202
541322144104
64112213014
71023143134
oct241527542
987665011
1042381154
1121a17652
121223a16a
138a1b60a
1458b3054
153ac25a4
hex286af62

42381154 has 8 divisors (see below), whose sum is σ = 65622528. Its totient is φ = 20506980.

The previous prime is 42381137. The next prime is 42381173. The reversal of 42381154 is 45118324.

42381154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341722 + ... + 341845.

It is an arithmetic number, because the mean of its divisors is an integer number (8202816).

Almost surely, 242381154 is an apocalyptic number.

42381154 is a deficient number, since it is larger than the sum of its proper divisors (23241374).

42381154 is a wasteful number, since it uses less digits than its factorization.

42381154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683600.

The product of its digits is 3840, while the sum is 28.

The square root of 42381154 is about 6510.0809518776. The cubic root of 42381154 is about 348.6510086759.

Adding to 42381154 its reverse (45118324), we get a palindrome (87499478).

The spelling of 42381154 in words is "forty-two million, three hundred eighty-one thousand, one hundred fifty-four".

Divisors: 1 2 31 62 683567 1367134 21190577 42381154