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1005672 = 23341903
BaseRepresentation
bin11110101100001101000
31220002112010
43311201220
5224140142
633315520
711355663
oct3654150
91802463
101005672
11627638
12405ba0
13292995
141c26da
1514ce9c
hexf5868

1005672 has 16 divisors (see below), whose sum is σ = 2514240. Its totient is φ = 335216.

The previous prime is 1005661. The next prime is 1005677. The reversal of 1005672 is 2765001.

1005672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10056722 = 2022752343168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005677) 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, 20928 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (157140).

21005672 is an apocalyptic number.

1005672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1005672 is an abundant number, since it is smaller than the sum of its proper divisors (1508568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005672 is a wasteful number, since it uses less digits than its factorization.

1005672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41912 (or 41908 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1005672 is about 1002.8319899166. The cubic root of 1005672 is about 100.1887103268.

The spelling of 1005672 in words is "one million, five thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 41903 83806 125709 167612 251418 335224 502836 1005672