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1030872 = 23342953
BaseRepresentation
bin11111011101011011000
31221101002110
43323223120
5230441442
634032320
711522313
oct3735330
91841073
101030872
11644567
124186a0
132a12ab
141cb97a
1515569c
hexfbad8

1030872 has 16 divisors (see below), whose sum is σ = 2577240. Its totient is φ = 343616.

The previous prime is 1030867. The next prime is 1030873. The reversal of 1030872 is 2780301.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21453 + ... + 21500.

21030872 is an apocalyptic number.

1030872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030872 is an abundant number, since it is smaller than the sum of its proper divisors (1546368).

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

1030872 is a wasteful number, since it uses less digits than its factorization.

1030872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42962 (or 42958 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1030872 is about 1015.3186691872. The cubic root of 1030872 is about 101.0186548557.

The spelling of 1030872 in words is "one million, thirty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 42953 85906 128859 171812 257718 343624 515436 1030872