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1340802 = 23274489
BaseRepresentation
bin101000111010110000010
32112010020100
411013112002
5320401202
644423230
714253021
oct5072602
92463210
101340802
11836401
12547b16
1337c398
1426c8b8
151b741c
hex147582

1340802 has 12 divisors (see below), whose sum is σ = 2905110. Its totient is φ = 446928.

The previous prime is 1340797. The next prime is 1340803. The reversal of 1340802 is 2080431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 281961 = 1029^2 + 531^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 74489 = 1340802 / (1 + 3 + 4 + 0 + 8 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1340803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37227 + ... + 37262.

21340802 is an apocalyptic number.

1340802 is an abundant number, since it is smaller than the sum of its proper divisors (1564308).

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

1340802 is a wasteful number, since it uses less digits than its factorization.

1340802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74497 (or 74494 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1340802 is about 1157.9300497008. The cubic root of 1340802 is about 110.2693673844.

The spelling of 1340802 in words is "one million, three hundred forty thousand, eight hundred two".

Divisors: 1 2 3 6 9 18 74489 148978 223467 446934 670401 1340802