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1013149 = 1761977
BaseRepresentation
bin11110111010110011101
31220110210001
43313112131
5224410044
633414301
711416534
oct3672635
91813701
101013149
11632215
1240a391
132961c7
141c531b
151502d4
hexf759d

1013149 has 8 divisors (see below), whose sum is σ = 1091448. Its totient is φ = 936960.

The previous prime is 1013143. The next prime is 1013153. The reversal of 1013149 is 9413101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 235225 + 777924 = 485^2 + 882^2 .

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

It is not a de Polignac number, because 1013149 - 29 = 1012637 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 (1013143) 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, 549 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (136431).

21013149 is an apocalyptic number.

It is an amenable number.

1013149 is a deficient number, since it is larger than the sum of its proper divisors (78299).

1013149 is an equidigital number, since it uses as much as digits as its factorization.

1013149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1013149 is about 1006.5530289061. The cubic root of 1013149 is about 100.4363928427.

The spelling of 1013149 in words is "one million, thirteen thousand, one hundred forty-nine".

Divisors: 1 17 61 977 1037 16609 59597 1013149