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1485454861 = 11431313321
BaseRepresentation
bin101100010001010…
…0011111000001101
310211112010220222201
41120202203320031
511020234023421
6403222241501
751545105122
oct13042437015
93745126881
101485454861
116a2556250
12355586291
131a899b997
141013d8749
158a624b91
hex588a3e0d

1485454861 has 8 divisors (see below), whose sum is σ = 1624261248. Its totient is φ = 1347276000.

The previous prime is 1485454847. The next prime is 1485454877. The reversal of 1485454861 is 1684545841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1485454861 - 217 = 1485323789 is a prime.

It is a super-3 number, since 3×14854548613 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485454811) 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, 151920 + ... + 161401.

It is an arithmetic number, because the mean of its divisors is an integer number (203032656).

Almost surely, 21485454861 is an apocalyptic number.

1485454861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1485454861 is a deficient number, since it is larger than the sum of its proper divisors (138806387).

1485454861 is a wasteful number, since it uses less digits than its factorization.

1485454861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313763.

The product of its digits is 614400, while the sum is 46.

The square root of 1485454861 is about 38541.5990975984. The cubic root of 1485454861 is about 1141.0022121795.

The spelling of 1485454861 in words is "one billion, four hundred eighty-five million, four hundred fifty-four thousand, eight hundred sixty-one".

Divisors: 1 11 431 4741 313321 3446531 135041351 1485454861