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1485816808 = 23723790349
BaseRepresentation
bin101100010001111…
…1100001111101000
310211112211022111011
41120203330033220
511020332114213
6403234113304
751551143300
oct13043741750
93745738434
101485816808
116a2783183
1235571b834
131a8a97658
14101490600
158a69703d
hex588fc3e8

1485816808 has 24 divisors (see below), whose sum is σ = 3240749250. Its totient is φ = 636778464.

The previous prime is 1485816791. The next prime is 1485816811. The reversal of 1485816808 is 8086185841.

It can be written as a sum of positive squares in only one way, i.e., 1348505284 + 137311524 = 36722^2 + 11718^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894783 + ... + 1895566.

Almost surely, 21485816808 is an apocalyptic number.

It is an amenable number.

1485816808 is an abundant number, since it is smaller than the sum of its proper divisors (1754932442).

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

1485816808 is a wasteful number, since it uses less digits than its factorization.

1485816808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790369 (or 3790358 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 49.

The square root of 1485816808 is about 38546.2943484844. The cubic root of 1485816808 is about 1141.0948771269.

The spelling of 1485816808 in words is "one billion, four hundred eighty-five million, eight hundred sixteen thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 3790349 7580698 15161396 26532443 30322792 53064886 106129772 185727101 212259544 371454202 742908404 1485816808