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102206484 = 22322839069
BaseRepresentation
bin1100001011110…
…00110000010100
321010022121221100
412011320300110
5202131101414
614050350100
72350512042
oct605706024
9233277840
10102206484
1152769276
122a28b330
1318236c13
14d807392
158e8d609
hex6178c14

102206484 has 18 divisors (see below), whose sum is σ = 258355370. Its totient is φ = 34068816.

The previous prime is 102206477. The next prime is 102206509. The reversal of 102206484 is 484602201.

102206484 is a `hidden beast` number, since 10 + 2 + 2 + 0 + 648 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 96589584 + 5616900 = 9828^2 + 2370^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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, 1419499 + ... + 1419570.

Almost surely, 2102206484 is an apocalyptic number.

It is an amenable number.

102206484 is an abundant number, since it is smaller than the sum of its proper divisors (156148886).

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

102206484 is a wasteful number, since it uses less digits than its factorization.

102206484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839079 (or 2839074 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 102206484 is about 10109.7222513776. The cubic root of 102206484 is about 467.5479417410.

Adding to 102206484 its reverse (484602201), we get a palindrome (586808685).

The spelling of 102206484 in words is "one hundred two million, two hundred six thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 2839069 5678138 8517207 11356276 17034414 25551621 34068828 51103242 102206484