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1380368 = 241122331
BaseRepresentation
bin101010001000000010000
32121010111202
411101000100
5323132433
645330332
714506253
oct5210020
92533452
101380368
11863100
125669a8
133943b2
1427d09a
151c3ee8
hex151010

1380368 has 60 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 580800.

The previous prime is 1380341. The next prime is 1380377. The reversal of 1380368 is 8630831.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1380368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44513 + ... + 44543.

21380368 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 1380368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583232).

1380368 is an abundant number, since it is smaller than the sum of its proper divisors (1786096).

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

1380368 is a wasteful number, since it uses less digits than its factorization.

1380368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1380368 is about 1174.8906332080. The cubic root of 1380368 is about 111.3435235951.

The spelling of 1380368 in words is "one million, three hundred eighty thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 23 31 44 46 62 88 92 121 124 176 184 242 248 253 341 368 484 496 506 682 713 968 1012 1364 1426 1936 2024 2728 2783 2852 3751 4048 5456 5566 5704 7502 7843 11132 11408 15004 15686 22264 30008 31372 44528 60016 62744 86273 125488 172546 345092 690184 1380368