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19842932 = 2231715649
BaseRepresentation
bin100101110110…
…0011101110100
31101100010101102
41023230131310
520034433212
61545145232
7330443054
oct113543564
941303342
1019842932
111022331a
12678b218
134159aa5
1428c7564
151b1e5c2
hex12ec774

19842932 has 12 divisors (see below), whose sum is σ = 34836900. Its totient is φ = 9889536.

The previous prime is 19842923. The next prime is 19842937. The reversal of 19842932 is 23924891.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 17757796 = 1444^2 + 4214^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19842937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6557 + ... + 9092.

It is an arithmetic number, because the mean of its divisors is an integer number (2903075).

Almost surely, 219842932 is an apocalyptic number.

It is an amenable number.

19842932 is a deficient number, since it is larger than the sum of its proper divisors (14993968).

19842932 is a wasteful number, since it uses less digits than its factorization.

19842932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15970 (or 15968 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 19842932 is about 4454.5406048211. The cubic root of 19842932 is about 270.7293131003.

The spelling of 19842932 in words is "nineteen million, eight hundred forty-two thousand, nine hundred thirty-two".

Divisors: 1 2 4 317 634 1268 15649 31298 62596 4960733 9921466 19842932