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28826246400 = 283527214481
BaseRepresentation
bin11010110110001011…
…011001110100000000
32202101221200001010120
4122312023121310000
5433014004341100
621124222300240
72040225023460
oct326613316400
982357601116
1028826246400
1111252734636
125705a27680
132945160243
1415765cbba0
15b3aa750a0
hex6b62d9d00

28826246400 has 216 divisors, whose sum is σ = 108723499584. Its totient is φ = 6588825600.

The previous prime is 28826246387. The next prime is 28826246419. The reversal of 28826246400 is 464262882.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27160 + ... + 241640.

Almost surely, 228826246400 is an apocalyptic number.

28826246400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28826246400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54361749792).

28826246400 is an abundant number, since it is smaller than the sum of its proper divisors (79897253184).

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

28826246400 is a wasteful number, since it uses less digits than its factorization.

28826246400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214517 (or 214498 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 28826246400 in words is "twenty-eight billion, eight hundred twenty-six million, two hundred forty-six thousand, four hundred".