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1303300285 = 57224122073
BaseRepresentation
bin100110110101110…
…1100100010111101
310100211101111212221
41031223230202331
510132121102120
6333154125341
744203604200
oct11553544275
93324344787
101303300285
11609751881
12304580851
1317a022201
14c513d937
15796430aa
hex4daec8bd

1303300285 has 24 divisors (see below), whose sum is σ = 1826932536. Its totient is φ = 889943040.

The previous prime is 1303300283. The next prime is 1303300301. The reversal of 1303300285 is 5820033031.

It can be written as a sum of positive squares in 4 ways, for example, as 617174649 + 686125636 = 24843^2 + 26194^2 .

It is not a de Polignac number, because 1303300285 - 21 = 1303300283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303300283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48009 + ... + 70081.

It is an arithmetic number, because the mean of its divisors is an integer number (76122189).

Almost surely, 21303300285 is an apocalyptic number.

It is an amenable number.

1303300285 is a deficient number, since it is larger than the sum of its proper divisors (523632251).

1303300285 is a wasteful number, since it uses less digits than its factorization.

1303300285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22333 (or 22326 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1303300285 is about 36101.2504631072. The cubic root of 1303300285 is about 1092.3156686564.

The spelling of 1303300285 in words is "one billion, three hundred three million, three hundred thousand, two hundred eighty-five".

Divisors: 1 5 7 35 49 241 245 1205 1687 8435 11809 22073 59045 110365 154511 772555 1081577 5319593 5407885 26597965 37237151 186185755 260660057 1303300285