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1361039 = 9191481
BaseRepresentation
bin101001100010010001111
32120010222212
411030102033
5322023124
645101035
714366021
oct5142217
92503885
101361039
1184a629
1255777b
13388664
14276011
151bd40e
hex14c48f

1361039 has 4 divisors (see below), whose sum is σ = 1363440. Its totient is φ = 1358640.

The previous prime is 1361029. The next prime is 1361047. The reversal of 1361039 is 9301631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9301631 = 43216317.

It is a cyclic number.

It is not a de Polignac number, because 1361039 - 24 = 1361023 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (340860).

21361039 is an apocalyptic number.

1361039 is a deficient number, since it is larger than the sum of its proper divisors (2401).

1361039 is an equidigital number, since it uses as much as digits as its factorization.

1361039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1361039 is about 1166.6357614954. The cubic root of 1361039 is about 110.8213721930.

The spelling of 1361039 in words is "one million, three hundred sixty-one thousand, thirty-nine".

Divisors: 1 919 1481 1361039