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82813802 = 2269153929
BaseRepresentation
bin1001110111110…
…10001101101010
312202211101011212
410323322031222
5132200020202
612114553122
72023622441
oct473721552
9182741155
1082813802
1142823265
12238987a2
1314207066
14add9d58
15740c652
hex4efa36a

82813802 has 8 divisors (see below), whose sum is σ = 124683300. Its totient is φ = 41252704.

The previous prime is 82813793. The next prime is 82813849. The reversal of 82813802 is 20831828.

It can be written as a sum of positive squares in 2 ways, for example, as 64657681 + 18156121 = 8041^2 + 4261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76427 + ... + 77502.

Almost surely, 282813802 is an apocalyptic number.

82813802 is a deficient number, since it is larger than the sum of its proper divisors (41869498).

82813802 is a wasteful number, since it uses less digits than its factorization.

82813802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154200.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 82813802 is about 9100.2088987012. The cubic root of 82813802 is about 435.8806346358.

The spelling of 82813802 in words is "eighty-two million, eight hundred thirteen thousand, eight hundred two".

Divisors: 1 2 269 538 153929 307858 41406901 82813802