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1825863072 = 253111729037
BaseRepresentation
bin110110011010100…
…0111010110100000
311201020200110021020
41230311013112200
512214410104242
6501102325440
763150402645
oct15465072640
94636613236
101825863072
11857719a50
1242b589880
13231377067
141346c9dcc
15aa4666ec
hex6cd475a0

1825863072 has 48 divisors (see below), whose sum is σ = 5228610912. Its totient is φ = 553291520.

The previous prime is 1825863071. The next prime is 1825863131. The reversal of 1825863072 is 2703685281.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1825863071) 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, 863463 + ... + 865574.

It is an arithmetic number, because the mean of its divisors is an integer number (108929394).

Almost surely, 21825863072 is an apocalyptic number.

1825863072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1825863072 is an abundant number, since it is smaller than the sum of its proper divisors (3402747840).

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

1825863072 is a wasteful number, since it uses less digits than its factorization.

1825863072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729061 (or 1729053 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1825863072 is about 42730.1190262793. The cubic root of 1825863072 is about 1222.2388058625.

The spelling of 1825863072 in words is "one billion, eight hundred twenty-five million, eight hundred sixty-three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 1729037 3458074 5187111 6916148 10374222 13832296 19019407 20748444 27664592 38038814 41496888 55329184 57058221 76077628 82993776 114116442 152155256 165987552 228232884 304310512 456465768 608621024 912931536 1825863072