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2131752 = 233712689
BaseRepresentation
bin1000001000011100101000
311000022012210
420020130220
51021204002
6113405120
724056010
oct10103450
94008183
102131752
111226687
128697a0
135983bc
143d6c40
152c196c
hex208728

2131752 has 32 divisors (see below), whose sum is σ = 6091200. Its totient is φ = 609024.

The previous prime is 2131721. The next prime is 2131771. The reversal of 2131752 is 2571312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (190350).

22131752 is an apocalyptic number.

It is an amenable number.

2131752 is an abundant number, since it is smaller than the sum of its proper divisors (3959448).

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

2131752 is a wasteful number, since it uses less digits than its factorization.

2131752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12705 (or 12701 counting only the distinct ones).

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

The square root of 2131752 is about 1460.0520538666. The cubic root of 2131752 is about 128.7001025737.

The spelling of 2131752 in words is "two million, one hundred thirty-one thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 12689 25378 38067 50756 76134 88823 101512 152268 177646 266469 304536 355292 532938 710584 1065876 2131752