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12292424 = 231536553
BaseRepresentation
bin101110111001…
…000101001000
3212010112000222
4232321011020
511121324144
61115245212
7206324654
oct56710510
925115028
1012292424
116a36531
124149808
132715131
1418bda64
15112c2ee
hexbb9148

12292424 has 8 divisors (see below), whose sum is σ = 23048310. Its totient is φ = 6146208.

The previous prime is 12292421. The next prime is 12292447. The reversal of 12292424 is 42429221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12124324 + 168100 = 3482^2 + 410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×122924242 = 302207375591552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12292393 and 12292402.

It is not an unprimeable number, because it can be changed into a prime (12292421) 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 as a sum of consecutive naturals, namely, 768269 + ... + 768284.

Almost surely, 212292424 is an apocalyptic number.

It is an amenable number.

12292424 is a deficient number, since it is larger than the sum of its proper divisors (10755886).

12292424 is a wasteful number, since it uses less digits than its factorization.

12292424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536559 (or 1536555 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12292424 is about 3506.0553332770. The cubic root of 12292424 is about 230.7876211213.

The spelling of 12292424 in words is "twelve million, two hundred ninety-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1536553 3073106 6146212 12292424