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283888801 = 72292832
BaseRepresentation
bin10000111010111…
…100110010100001
3201210012001020001
4100322330302201
51040133420201
644100420001
710015005100
oct2072746241
9653161201
10283888801
1113627a949
127b0a7601
1346a79751
14299bc037
1519dca301
hex10ebcca1

283888801 has 27 divisors (see below), whose sum is σ = 346188531. Its totient is φ = 232111824.

The previous prime is 283888799. The next prime is 283888817. The reversal of 283888801 is 108888382.

The square root of 283888801 is 16849.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 148864401 + 135024400 = 12201^2 + 11620^2 .

It is not a de Polignac number, because 283888801 - 21 = 283888799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283888301) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3420306 + ... + 3420388.

Almost surely, 2283888801 is an apocalyptic number.

283888801 is the 16849-th square number.

283888801 is the 8425-th centered octagonal number.

It is an amenable number.

283888801 is a deficient number, since it is larger than the sum of its proper divisors (62299730).

283888801 is an frugal number, since it uses more digits than its factorization.

283888801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 46.

The cubic root of 283888801 is about 657.2280444587.

The spelling of 283888801 in words is "two hundred eighty-three million, eight hundred eighty-eight thousand, eight hundred one".

Divisors: 1 7 29 49 83 203 581 841 1421 2407 4067 5887 6889 16849 41209 48223 69803 117943 199781 337561 488621 1398467 3420347 5793649 9789269 40555543 283888801