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84197152 = 2513215569
BaseRepresentation
bin1010000010010…
…11111100100000
312212102122210001
411001023330200
5133023302102
612204345344
72041443514
oct501137440
9185378701
1084197152
1143588626
1224245254
131459c900
14b27a144
1575d2487
hex504bf20

84197152 has 36 divisors (see below), whose sum is σ = 179506530. Its totient is φ = 38857728.

The previous prime is 84197137. The next prime is 84197153. The reversal of 84197152 is 25179148.

It can be written as a sum of positive squares in 3 ways, for example, as 36917776 + 47279376 = 6076^2 + 6876^2 .

It is a super-2 number, since 2×841971522 = 14178320809822208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84197153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2377 + ... + 13192.

Almost surely, 284197152 is an apocalyptic number.

It is an amenable number.

84197152 is an abundant number, since it is smaller than the sum of its proper divisors (95309378).

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

84197152 is a wasteful number, since it uses less digits than its factorization.

84197152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15605 (or 15584 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 84197152 is about 9175.9006097494. The cubic root of 84197152 is about 438.2942776127.

The spelling of 84197152 in words is "eighty-four million, one hundred ninety-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 169 208 338 416 676 1352 2704 5408 15569 31138 62276 124552 202397 249104 404794 498208 809588 1619176 2631161 3238352 5262322 6476704 10524644 21049288 42098576 84197152