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20375496 = 233394331
BaseRepresentation
bin100110110111…
…0011111001000
31102100011221000
41031232133020
520204003441
62004415000
7335121531
oct115563710
942304830
1020375496
1110557459
1269a7460
1342b530b
1429c5688
151bc72b6
hex136e7c8

20375496 has 32 divisors (see below), whose sum is σ = 56599200. Its totient is φ = 6791760.

The previous prime is 20375491. The next prime is 20375497. The reversal of 20375496 is 69457302.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20375496.

It is not an unprimeable number, because it can be changed into a prime (20375491) 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, 46950 + ... + 47381.

It is an arithmetic number, because the mean of its divisors is an integer number (1768725).

Almost surely, 220375496 is an apocalyptic number.

It is an amenable number.

20375496 is an abundant number, since it is smaller than the sum of its proper divisors (36223704).

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

20375496 is a wasteful number, since it uses less digits than its factorization.

20375496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94346 (or 94336 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 20375496 is about 4513.9224627811. The cubic root of 20375496 is about 273.1299948468.

The spelling of 20375496 in words is "twenty million, three hundred seventy-five thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 94331 188662 282993 377324 565986 754648 848979 1131972 1697958 2263944 2546937 3395916 5093874 6791832 10187748 20375496