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19249241 = 111939067
BaseRepresentation
bin100100101101…
…1100001011001
31100012221222212
41021123201121
514411433431
61524324505
7322421144
oct111334131
940187885
1019249241
11a958270
126543735
133cac7ab
1427b105b
151a5372b
hex125b859

19249241 has 8 divisors (see below), whose sum is σ = 21110304. Its totient is φ = 17406720.

The previous prime is 19249231. The next prime is 19249247. The reversal of 19249241 is 14294291.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19249241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19249198 and 19249207.

It is not an unprimeable number, because it can be changed into a prime (19249247) 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, 2411 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (2638788).

Almost surely, 219249241 is an apocalyptic number.

19249241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19249241 is a deficient number, since it is larger than the sum of its proper divisors (1861063).

19249241 is a wasteful number, since it uses less digits than its factorization.

19249241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271.

The product of its digits is 5184, while the sum is 32.

The square root of 19249241 is about 4387.3956967659. The cubic root of 19249241 is about 268.0018981450.

The spelling of 19249241 in words is "nineteen million, two hundred forty-nine thousand, two hundred forty-one".

Divisors: 1 11 193 2123 9067 99737 1749931 19249241