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8102836 = 227241341
BaseRepresentation
bin11110111010001110110100
3120020200000001
4132322032310
54033242321
6445401044
7125605300
oct36721664
916220001
108102836
114634865
122869184
1318a91a1
14110cd00
15aa0c91
hex7ba3b4

8102836 has 18 divisors (see below), whose sum is σ = 16495458. Its totient is φ = 3472560.

The previous prime is 8102821. The next prime is 8102849. The reversal of 8102836 is 6382018.

It can be written as a sum of positive squares in only one way, i.e., 5731236 + 2371600 = 2394^2 + 1540^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20475 + ... + 20866.

Almost surely, 28102836 is an apocalyptic number.

It is an amenable number.

8102836 is an abundant number, since it is smaller than the sum of its proper divisors (8392622).

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

8102836 is a wasteful number, since it uses less digits than its factorization.

8102836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41359 (or 41350 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8102836 is about 2846.5480849619. The cubic root of 8102836 is about 200.8533207076.

The spelling of 8102836 in words is "eight million, one hundred two thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 49 98 196 41341 82682 165364 289387 578774 1157548 2025709 4051418 8102836