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2152872 = 23339967
BaseRepresentation
bin1000001101100110101000
311001101012000
420031212220
51022342442
6114051000
724204411
oct10154650
94041160
102152872
111240537
12879a60
135a4bb7
14400808
152c7d4c
hex20d9a8

2152872 has 32 divisors (see below), whose sum is σ = 5980800. Its totient is φ = 717552.

The previous prime is 2152867. The next prime is 2152879. The reversal of 2152872 is 2782512.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2152879) 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, 4768 + ... + 5199.

It is an arithmetic number, because the mean of its divisors is an integer number (186900).

22152872 is an apocalyptic number.

It is an amenable number.

2152872 is an abundant number, since it is smaller than the sum of its proper divisors (3827928).

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

2152872 is a wasteful number, since it uses less digits than its factorization.

2152872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9982 (or 9972 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2152872 is about 1467.2668468960. The cubic root of 2152872 is about 129.1237320130.

The spelling of 2152872 in words is "two million, one hundred fifty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 9967 19934 29901 39868 59802 79736 89703 119604 179406 239208 269109 358812 538218 717624 1076436 2152872