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12054493 = 1119137421
BaseRepresentation
bin101101111110…
…111111011101
3211200102122201
4231332333131
511041220433
61110211501
7204314203
oct55767735
924612581
1012054493
1168937a0
124053b91
132660a49
14185b073
1510d1a7d
hexb7efdd

12054493 has 16 divisors (see below), whose sum is σ = 13976640. Its totient is φ = 10281600.

The previous prime is 12054487. The next prime is 12054499. The reversal of 12054493 is 39445021.

It is an interprime number because it is at equal distance from previous prime (12054487) and next prime (12054499).

It is a cyclic number.

It is not a de Polignac number, because 12054493 - 29 = 12053981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28423 + ... + 28843.

It is an arithmetic number, because the mean of its divisors is an integer number (873540).

Almost surely, 212054493 is an apocalyptic number.

It is an amenable number.

12054493 is a deficient number, since it is larger than the sum of its proper divisors (1922147).

12054493 is a wasteful number, since it uses less digits than its factorization.

12054493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12054493 is about 3471.9580930651. The cubic root of 12054493 is about 229.2888747779.

The spelling of 12054493 in words is "twelve million, fifty-four thousand, four hundred ninety-three".

Divisors: 1 11 19 137 209 421 1507 2603 4631 7999 28633 57677 87989 634447 1095863 12054493