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19240941 = 349912853
BaseRepresentation
bin100100101100…
…1011111101101
31100012112121110
41021121133231
514411202231
61524222233
7322355016
oct111313755
940175543
1019240941
11a952005
12653a979
133ca8a95
1427ac00d
151a51046
hex12597ed

19240941 has 8 divisors (see below), whose sum is σ = 25708000. Its totient is φ = 12800592.

The previous prime is 19240937. The next prime is 19240943. The reversal of 19240941 is 14904291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19240941 - 22 = 19240937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19240899 and 19240908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19240943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (3213500).

Almost surely, 219240941 is an apocalyptic number.

It is an amenable number.

19240941 is a deficient number, since it is larger than the sum of its proper divisors (6467059).

19240941 is a wasteful number, since it uses less digits than its factorization.

19240941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13355.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 19240941 is about 4386.4497033478. The cubic root of 19240941 is about 267.9633730668.

The spelling of 19240941 in words is "nineteen million, two hundred forty thousand, nine hundred forty-one".

Divisors: 1 3 499 1497 12853 38559 6413647 19240941