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1380620316 = 223503228731
BaseRepresentation
bin101001001001010…
…1001100000011100
310120012212210000210
41102102221200130
510311414322231
6344555252420
746133036055
oct12222514034
93505783023
101380620316
11649362529
1232644a110
131900547ca
14d150972c
1581317a46
hex524a981c

1380620316 has 24 divisors (see below), whose sum is σ = 3227865984. Its totient is φ = 459289840.

The previous prime is 1380620299. The next prime is 1380620321. The reversal of 1380620316 is 6130260831.

It is a super-2 number, since 2×13806203162 = 3812224913903879712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108330 + ... + 120401.

It is an arithmetic number, because the mean of its divisors is an integer number (134494416).

Almost surely, 21380620316 is an apocalyptic number.

It is an amenable number.

1380620316 is an abundant number, since it is smaller than the sum of its proper divisors (1847245668).

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

1380620316 is a wasteful number, since it uses less digits than its factorization.

1380620316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229241 (or 229239 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1380620316 is about 37156.6994766758. The cubic root of 1380620316 is about 1113.5030730320.

The spelling of 1380620316 in words is "one billion, three hundred eighty million, six hundred twenty thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 503 1006 1509 2012 3018 6036 228731 457462 686193 914924 1372386 2744772 115051693 230103386 345155079 460206772 690310158 1380620316