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42751294 = 2173147863
BaseRepresentation
bin1010001100010…
…1010100111110
32222102222202021
42203011110332
541421020134
64124150354
71026244225
oct243052476
988388667
1042751294
112214a753
12123983ba
138b1ac31
14596bcbc
153b470b4
hex28c553e

42751294 has 32 divisors (see below), whose sum is σ = 71663616. Its totient is φ = 19032960.

The previous prime is 42751279. The next prime is 42751297. The reversal of 42751294 is 49215724.

42751294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

Its product of digits (20160) is a multiple of the sum of its prime divisors (960).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751297) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 49107 + ... + 49969.

It is an arithmetic number, because the mean of its divisors is an integer number (2239488).

Almost surely, 242751294 is an apocalyptic number.

42751294 is a deficient number, since it is larger than the sum of its proper divisors (28912322).

42751294 is a wasteful number, since it uses less digits than its factorization.

42751294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its digits is 20160, while the sum is 34.

The square root of 42751294 is about 6538.4473692154. The cubic root of 42751294 is about 349.6630607723.

The spelling of 42751294 in words is "forty-two million, seven hundred fifty-one thousand, two hundred ninety-four".

Divisors: 1 2 17 31 34 47 62 94 527 799 863 1054 1457 1598 1726 2914 14671 24769 26753 29342 40561 49538 53506 81122 454801 689537 909602 1257391 1379074 2514782 21375647 42751294