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19292942 = 2191134493
BaseRepresentation
bin100100110011…
…0001100001110
31100022011221102
41021212030032
514414333232
61525303102
7322662434
oct111461416
940264842
1019292942
11a988089
126564a92
133cc6656
1427c2d54
151a61662
hex126630e

19292942 has 16 divisors (see below), whose sum is σ = 30738960. Its totient is φ = 9055872.

The previous prime is 19292899. The next prime is 19292953. The reversal of 19292942 is 24929291.

It is a super-2 number, since 2×192929422 = 744435222030728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 19292896 and 19292905.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2048 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (1921185).

Almost surely, 219292942 is an apocalyptic number.

19292942 is a deficient number, since it is larger than the sum of its proper divisors (11446018).

19292942 is a wasteful number, since it uses less digits than its factorization.

19292942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627.

The product of its digits is 23328, while the sum is 38.

The square root of 19292942 is about 4392.3731626536. The cubic root of 19292942 is about 268.2045572007.

It can be divided in two parts, 192929 and 42, that multiplied together give a palindrome (8103018).

The spelling of 19292942 in words is "nineteen million, two hundred ninety-two thousand, nine hundred forty-two".

Divisors: 1 2 19 38 113 226 2147 4294 4493 8986 85367 170734 507709 1015418 9646471 19292942