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1388802 = 232111097
BaseRepresentation
bin101010011000100000010
32121120002010
411103010002
5323420202
645433350
714542662
oct5230402
92546063
101388802
11869478
1256b856
1339819c
142821a2
151c676c
hex153102

1388802 has 16 divisors (see below), whose sum is σ = 2793312. Its totient is φ = 460320.

The previous prime is 1388797. The next prime is 1388819. The reversal of 1388802 is 2088831.

It is a self number, because there is not a number n which added to its sum of digits gives 1388802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (174582).

21388802 is an apocalyptic number.

1388802 is an abundant number, since it is smaller than the sum of its proper divisors (1404510).

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

1388802 is a wasteful number, since it uses less digits than its factorization.

1388802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1388802 is about 1178.4744375675. The cubic root of 1388802 is about 111.5698316471.

The spelling of 1388802 in words is "one million, three hundred eighty-eight thousand, eight hundred two".

Divisors: 1 2 3 6 211 422 633 1097 1266 2194 3291 6582 231467 462934 694401 1388802