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1012641 = 3748221
BaseRepresentation
bin11110111001110100001
31220110002020
43313032201
5224401031
633412053
711415210
oct3671641
91813066
101012641
116318a3
1240a029
13295bc6
141c5077
15150096
hexf73a1

1012641 has 8 divisors (see below), whose sum is σ = 1543104. Its totient is φ = 578640.

The previous prime is 1012637. The next prime is 1012657. The reversal of 1012641 is 1462101.

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

It is not a de Polignac number, because 1012641 - 22 = 1012637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012641.

It is not an unprimeable number, because it can be changed into a prime (1012601) 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, 24090 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (192888).

21012641 is an apocalyptic number.

It is an amenable number.

1012641 is a deficient number, since it is larger than the sum of its proper divisors (530463).

1012641 is an equidigital number, since it uses as much as digits as its factorization.

1012641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48231.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1012641 is about 1006.3006508991. The cubic root of 1012641 is about 100.4196035328.

Adding to 1012641 its reverse (1462101), we get a palindrome (2474742).

It can be divided in two parts, 1012 and 641, that added together give a triangular number (1653 = T57).

The spelling of 1012641 in words is "one million, twelve thousand, six hundred forty-one".

Divisors: 1 3 7 21 48221 144663 337547 1012641