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8400008084 = 2213224372019
BaseRepresentation
bin1111101001010110…
…11111001110010100
3210200102002121211112
413310223133032110
5114200400224314
63505305154152
7415105614326
oct76453371624
923612077745
108400008084
113620649446
12176518b958
13a3b3882b0
14599871616
153426b143e
hex1f4adf394

8400008084 has 24 divisors (see below), whose sum is σ = 15838062240. Its totient is φ = 3875144544.

The previous prime is 8400008081. The next prime is 8400008101. The reversal of 8400008084 is 4808000048.

It is a super-2 number, since 2×84000080842 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8400008084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400008081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80627 + ... + 152645.

It is an arithmetic number, because the mean of its divisors is an integer number (659919260).

Almost surely, 28400008084 is an apocalyptic number.

It is an amenable number.

8400008084 is a deficient number, since it is larger than the sum of its proper divisors (7438054156).

8400008084 is a wasteful number, since it uses less digits than its factorization.

8400008084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74279 (or 74277 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 8400008084 is about 91651.5580009418. The cubic root of 8400008084 is about 2032.7933657365.

The spelling of 8400008084 in words is "eight billion, four hundred million, eight thousand, eighty-four".

Divisors: 1 2 4 13 26 52 2243 4486 8972 29159 58318 72019 116636 144038 288076 936247 1872494 3744988 161538617 323077234 646154468 2100002021 4200004042 8400008084