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12269740 = 225787641
BaseRepresentation
bin101110110011…
…100010101100
3212002100220211
4232303202230
511120112430
61114552204
7206201560
oct56634254
925070824
1012269740
116a2048a
124138664
132707a02
1418b56a0
15112572a
hexbb38ac

12269740 has 24 divisors (see below), whose sum is σ = 29447712. Its totient is φ = 4206720.

The previous prime is 12269737. The next prime is 12269753. The reversal of 12269740 is 4796221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43681 + ... + 43960.

It is an arithmetic number, because the mean of its divisors is an integer number (1226988).

Almost surely, 212269740 is an apocalyptic number.

12269740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12269740 is an abundant number, since it is smaller than the sum of its proper divisors (17177972).

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

12269740 is a wasteful number, since it uses less digits than its factorization.

12269740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87657 (or 87655 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 12269740 is about 3502.8188648573. The cubic root of 12269740 is about 230.6455712978.

The spelling of 12269740 in words is "twelve million, two hundred sixty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 87641 175282 350564 438205 613487 876410 1226974 1752820 2453948 3067435 6134870 12269740