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163828040 = 23516325127
BaseRepresentation
bin10011100001111…
…01000101001000
3102102021022211012
421300331011020
5313414444130
624131223052
74026341525
oct1160750510
9372238735
10163828040
1184527482
1246a47a88
1327c30c8c
1417a8814c
15e5b1995
hex9c3d148

163828040 has 32 divisors (see below), whose sum is σ = 370889280. Its totient is φ = 65126592.

The previous prime is 163828039. The next prime is 163828043. The reversal of 163828040 is 40828361.

It is a junction number, because it is equal to n+sod(n) for n = 163827988 and 163828006.

It is not an unprimeable number, because it can be changed into a prime (163828043) 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, 6044 + ... + 19083.

It is an arithmetic number, because the mean of its divisors is an integer number (11590290).

Almost surely, 2163828040 is an apocalyptic number.

163828040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163828040 is an abundant number, since it is smaller than the sum of its proper divisors (207061240).

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

163828040 is a wasteful number, since it uses less digits than its factorization.

163828040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25301 (or 25297 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 163828040 is about 12799.5328039737. The cubic root of 163828040 is about 547.1789879561.

The spelling of 163828040 in words is "one hundred sixty-three million, eight hundred twenty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 163 326 652 815 1304 1630 3260 6520 25127 50254 100508 125635 201016 251270 502540 1005080 4095701 8191402 16382804 20478505 32765608 40957010 81914020 163828040