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1827072064 = 2643663907
BaseRepresentation
bin110110011100110…
…1110100001000000
311201022221212200201
41230321232201000
512220212301224
6501144254544
763163566466
oct15471564100
94638855621
101827072064
11858375314
1242ba71454
132316ab43c
14134922836
15aa604a44
hex6ce6e840

1827072064 has 28 divisors (see below), whose sum is σ = 3709917904. Its totient is φ = 892289664.

The previous prime is 1827072001. The next prime is 1827072073. The reversal of 1827072064 is 4602707281.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329202 + ... + 334705.

It is an arithmetic number, because the mean of its divisors is an integer number (132497068).

Almost surely, 21827072064 is an apocalyptic number.

It is an amenable number.

1827072064 is an abundant number, since it is smaller than the sum of its proper divisors (1882845840).

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

1827072064 is an equidigital number, since it uses as much as digits as its factorization.

1827072064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663962 (or 663952 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1827072064 is about 42744.2635215534. The cubic root of 1827072064 is about 1222.5085140960.

The spelling of 1827072064 in words is "one billion, eight hundred twenty-seven million, seventy-two thousand, sixty-four".

Divisors: 1 2 4 8 16 32 43 64 86 172 344 688 1376 2752 663907 1327814 2655628 5311256 10622512 21245024 28548001 42490048 57096002 114192004 228384008 456768016 913536032 1827072064