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210065828 = 22719738083
BaseRepresentation
bin11001000010101…
…01100110100100
3112122021110010212
430201111212210
5412234101303
632502234552
75130346550
oct1441254644
9478243125
10210065828
11a8638625
125a425a58
133469cb0b
141dc82860
1513696ad8
hexc8559a4

210065828 has 24 divisors (see below), whose sum is σ = 422275392. Its totient is φ = 89568864.

The previous prime is 210065813. The next prime is 210065851. The reversal of 210065828 is 828560012.

It is a junction number, because it is equal to n+sod(n) for n = 210065794 and 210065803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13526 + ... + 24557.

It is an arithmetic number, because the mean of its divisors is an integer number (17594808).

Almost surely, 2210065828 is an apocalyptic number.

210065828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

210065828 is an abundant number, since it is smaller than the sum of its proper divisors (212209564).

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

210065828 is a wasteful number, since it uses less digits than its factorization.

210065828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38291 (or 38289 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 210065828 is about 14493.6478500066. The cubic root of 210065828 is about 594.4542961680.

The spelling of 210065828 in words is "two hundred ten million, sixty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 197 394 788 1379 2758 5516 38083 76166 152332 266581 533162 1066324 7502351 15004702 30009404 52516457 105032914 210065828