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1013287284 = 2232415312953
BaseRepresentation
bin111100011001011…
…000100101110100
32121121200022211200
4330121120211310
54033400143114
6244314132500
734052541222
oct7431304564
92547608750
101013287284
1147aa79809
12243421130
13131c10099
1498809b12
155de58409
hex3c658974

1013287284 has 72 divisors (see below), whose sum is σ = 2673550152. Its totient is φ = 323281920.

The previous prime is 1013287267. The next prime is 1013287307. The reversal of 1013287284 is 4827823101.

1013287284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 1013148900 = 372^2 + 31830^2 .

It is a super-2 number, since 2×10132872842 = 2053502239832193312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71752 + ... + 84704.

It is an arithmetic number, because the mean of its divisors is an integer number (37132641).

Almost surely, 21013287284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013287284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336775076).

1013287284 is an abundant number, since it is smaller than the sum of its proper divisors (1660262868).

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

1013287284 is a wasteful number, since it uses less digits than its factorization.

1013287284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13057 (or 13052 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1013287284 is about 31832.1737240799. The cubic root of 1013287284 is about 1004.4096213251.

The spelling of 1013287284 in words is "one billion, thirteen million, two hundred eighty-seven thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 41 53 82 106 123 159 164 212 246 318 369 477 492 636 738 954 1476 1908 2173 4346 6519 8692 12953 13038 19557 25906 26076 38859 39114 51812 77718 78228 116577 155436 233154 466308 531073 686509 1062146 1373018 1593219 2059527 2124292 2746036 3186438 4119054 4779657 6178581 6372876 8238108 9559314 12357162 19118628 24714324 28146869 56293738 84440607 112587476 168881214 253321821 337762428 506643642 1013287284