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1361939 = 19431667
BaseRepresentation
bin101001100100000010011
32120012020012
411030200103
5322040224
645105135
714401445
oct5144023
92505205
101361939
11850277
125581ab
13388ba7
14276495
151bd80e
hex14c813

1361939 has 8 divisors (see below), whose sum is σ = 1467840. Its totient is φ = 1259496.

The previous prime is 1361929. The next prime is 1361953. The reversal of 1361939 is 9391631.

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 1361939 - 212 = 1357843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361929) 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, 17 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (183480).

21361939 is an apocalyptic number.

1361939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1361939 is a deficient number, since it is larger than the sum of its proper divisors (105901).

1361939 is a wasteful number, since it uses less digits than its factorization.

1361939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 4374, while the sum is 32.

The square root of 1361939 is about 1167.0214222541. The cubic root of 1361939 is about 110.8457940400.

The spelling of 1361939 in words is "one million, three hundred sixty-one thousand, nine hundred thirty-nine".

Divisors: 1 19 43 817 1667 31673 71681 1361939