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1338901 = 29137337
BaseRepresentation
bin101000110111000010101
32112000121221
411012320111
5320321101
644410341
714244334
oct5067025
92460557
101338901
11834a33
125469b1
1337b565
1426bd1b
151b6aa1
hex146e15

1338901 has 8 divisors (see below), whose sum is σ = 1399320. Its totient is φ = 1279488.

The previous prime is 1338881. The next prime is 1338907. The reversal of 1338901 is 1098331.

It can be written as a sum of positive squares in 4 ways, for example, as 139876 + 1199025 = 374^2 + 1095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338901 - 215 = 1306133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3805 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (174915).

21338901 is an apocalyptic number.

It is an amenable number.

1338901 is a deficient number, since it is larger than the sum of its proper divisors (60419).

1338901 is a wasteful number, since it uses less digits than its factorization.

1338901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1338901 is about 1157.1088972089. The cubic root of 1338901 is about 110.2172291335.

The spelling of 1338901 in words is "one million, three hundred thirty-eight thousand, nine hundred one".

Divisors: 1 29 137 337 3973 9773 46169 1338901