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2141772 = 223178481
BaseRepresentation
bin1000001010111001001100
311000210221220
420022321030
51022014042
6113523340
724130143
oct10127114
94023856
102141772
111233166
12873550
1359cb29
143da75a
152c48ec
hex20ae4c

2141772 has 12 divisors (see below), whose sum is σ = 4997496. Its totient is φ = 713920.

The previous prime is 2141753. The next prime is 2141791. The reversal of 2141772 is 2771412.

It is an interprime number because it is at equal distance from previous prime (2141753) and next prime (2141791).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89229 + ... + 89252.

It is an arithmetic number, because the mean of its divisors is an integer number (416458).

22141772 is an apocalyptic number.

It is an amenable number.

2141772 is an abundant number, since it is smaller than the sum of its proper divisors (2855724).

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

2141772 is a wasteful number, since it uses less digits than its factorization.

2141772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178488 (or 178486 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 2141772 is about 1463.4794156393. The cubic root of 2141772 is about 128.9014330284.

The spelling of 2141772 in words is "two million, one hundred forty-one thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 178481 356962 535443 713924 1070886 2141772