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11818196 = 22131729461
BaseRepresentation
bin101101000101…
…010011010100
3211020102111222
4231011103110
511011140241
61101145512
7202311245
oct55052324
924212458
1011818196
116742205
123b5b298
1325aa320
1417d8ccc
151086a4b
hexb454d4

11818196 has 48 divisors (see below), whose sum is σ = 24449040. Its totient is φ = 4945920.

The previous prime is 11818181. The next prime is 11818199. The reversal of 11818196 is 69181811.

It can be written as a sum of positive squares in 8 ways, for example, as 190096 + 11628100 = 436^2 + 3410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818199) 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 15 ways as a sum of consecutive naturals, for example, 25406 + ... + 25866.

It is an arithmetic number, because the mean of its divisors is an integer number (509355).

Almost surely, 211818196 is an apocalyptic number.

It is an amenable number.

11818196 is an abundant number, since it is smaller than the sum of its proper divisors (12630844).

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

11818196 is a wasteful number, since it uses less digits than its factorization.

11818196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 522 counting only the distinct ones).

The product of its digits is 3456, while the sum is 35.

The square root of 11818196 is about 3437.7603174160. The cubic root of 11818196 is about 227.7807731688.

The spelling of 11818196 in words is "eleven million, eight hundred eighteen thousand, one hundred ninety-six".

Divisors: 1 2 4 13 17 26 29 34 52 58 68 116 221 377 442 461 493 754 884 922 986 1508 1844 1972 5993 6409 7837 11986 12818 13369 15674 23972 25636 26738 31348 53476 101881 173797 203762 227273 347594 407524 454546 695188 909092 2954549 5909098 11818196