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19842852 = 22331411301
BaseRepresentation
bin100101110110…
…0011100100100
31101100010021110
41023230130210
520034432402
61545145020
7330442611
oct113543444
941303243
1019842852
1110223257
12678b170
134159a43
1428c7508
151b1e56c
hex12ec724

19842852 has 48 divisors (see below), whose sum is σ = 48996864. Its totient is φ = 6240000.

The previous prime is 19842833. The next prime is 19842853. The reversal of 19842852 is 25824891.

It is a self number, because there is not a number n which added to its sum of digits gives 19842852.

It is not an unprimeable number, because it can be changed into a prime (19842853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14602 + ... + 15902.

It is an arithmetic number, because the mean of its divisors is an integer number (1020768).

Almost surely, 219842852 is an apocalyptic number.

19842852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19842852 is an abundant number, since it is smaller than the sum of its proper divisors (29154012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19842852 is a wasteful number, since it uses less digits than its factorization.

19842852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 19842852 is about 4454.5316252104. The cubic root of 19842852 is about 270.7289492700.

The spelling of 19842852 in words is "nineteen million, eight hundred forty-two thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 31 41 62 82 93 123 124 164 186 246 372 492 1271 1301 2542 2602 3813 3903 5084 5204 7626 7806 15252 15612 40331 53341 80662 106682 120993 160023 161324 213364 241986 320046 483972 640092 1653571 3307142 4960713 6614284 9921426 19842852