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8504742 = 2319611223
BaseRepresentation
bin100000011100…
…010110100110
3121000002022110
4200130112212
54134122432
6502141450
7132201111
oct40342646
917002273
108504742
114889814
122a21886
1319ba0bc
1411b5578
15b2edcc
hex81c5a6

8504742 has 32 divisors (see below), whose sum is σ = 18213120. Its totient is φ = 2639520.

The previous prime is 8504729. The next prime is 8504759. The reversal of 8504742 is 2474058.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 6343 + ... + 7565.

It is an arithmetic number, because the mean of its divisors is an integer number (569160).

Almost surely, 28504742 is an apocalyptic number.

8504742 is an abundant number, since it is smaller than the sum of its proper divisors (9708378).

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

8504742 is a wasteful number, since it uses less digits than its factorization.

8504742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 8504742 is about 2916.2890803211. The cubic root of 8504742 is about 204.1206994298.

The spelling of 8504742 in words is "eight million, five hundred four thousand, seven hundred forty-two".

Divisors: 1 2 3 6 19 38 57 61 114 122 183 366 1159 1223 2318 2446 3477 3669 6954 7338 23237 46474 69711 74603 139422 149206 223809 447618 1417457 2834914 4252371 8504742