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11997474 = 2319229191
BaseRepresentation
bin101101110001…
…000100100010
3211120112102220
4231301010202
511032404344
61105051510
7203656026
oct55610442
924515386
1011997474
116854975
124026b96
132640ac8
141844386
1510bec19
hexb71122

11997474 has 48 divisors (see below), whose sum is σ = 26334720. Its totient is φ = 3638880.

The previous prime is 11997463. The next prime is 11997481. The reversal of 11997474 is 47479911.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62719 + ... + 62909.

It is an arithmetic number, because the mean of its divisors is an integer number (548640).

Almost surely, 211997474 is an apocalyptic number.

11997474 is an abundant number, since it is smaller than the sum of its proper divisors (14337246).

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

11997474 is a wasteful number, since it uses less digits than its factorization.

11997474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 244 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 11997474 is about 3463.7369992538. The cubic root of 11997474 is about 228.9267832268.

The spelling of 11997474 in words is "eleven million, nine hundred ninety-seven thousand, four hundred seventy-four".

Divisors: 1 2 3 6 19 29 38 57 58 87 114 174 191 361 382 551 573 722 1083 1102 1146 1653 2166 3306 3629 5539 7258 10469 10887 11078 16617 20938 21774 31407 33234 62814 68951 105241 137902 206853 210482 315723 413706 631446 1999579 3999158 5998737 11997474