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8472142 = 272383317
BaseRepresentation
bin100000010100…
…011001001110
3120221102121001
4200110121032
54132102032
6501330514
7132004060
oct40243116
916842531
108472142
114867278
122a06a3a
1319a8303
1411a7730
15b253e7
hex81464e

8472142 has 32 divisors (see below), whose sum is σ = 15386112. Its totient is φ = 3420384.

The previous prime is 8472133. The next prime is 8472151. The reversal of 8472142 is 2412748.

It is an interprime number because it is at equal distance from previous prime (8472133) and next prime (8472151).

It is a self number, because there is not a number n which added to its sum of digits gives 8472142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26568 + ... + 26884.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

Almost surely, 28472142 is an apocalyptic number.

8472142 is a deficient number, since it is larger than the sum of its proper divisors (6913970).

8472142 is a wasteful number, since it uses less digits than its factorization.

8472142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 3584, while the sum is 28.

The square root of 8472142 is about 2910.6944188630. The cubic root of 8472142 is about 203.8595566728.

The spelling of 8472142 in words is "eight million, four hundred seventy-two thousand, one hundred forty-two".

Divisors: 1 2 7 14 23 46 83 161 166 317 322 581 634 1162 1909 2219 3818 4438 7291 13363 14582 26311 26726 51037 52622 102074 184177 368354 605153 1210306 4236071 8472142