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42187350 = 2352281249
BaseRepresentation
bin1010000011101…
…1101001010110
32221101100011110
42200323221112
541244443400
64104115450
71021405122
oct240735126
987340143
1042187350
11218a4a87
1212165b86
13898133a
145862582
153a84e50
hex283ba56

42187350 has 24 divisors (see below), whose sum is σ = 104625000. Its totient is φ = 11249920.

The previous prime is 42187339. The next prime is 42187361. The reversal of 42187350 is 5378124.

42187350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42187339) and next prime (42187361).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 140475 + ... + 140774.

It is an arithmetic number, because the mean of its divisors is an integer number (4359375).

Almost surely, 242187350 is an apocalyptic number.

42187350 is an abundant number, since it is smaller than the sum of its proper divisors (62437650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42187350 is a wasteful number, since it uses less digits than its factorization.

42187350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281264 (or 281259 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 42187350 is about 6495.1789813676. The cubic root of 42187350 is about 348.1187499348.

The spelling of 42187350 in words is "forty-two million, one hundred eighty-seven thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 281249 562498 843747 1406245 1687494 2812490 4218735 7031225 8437470 14062450 21093675 42187350