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2144164 = 221148731
BaseRepresentation
bin1000001011011110100100
311000221020111
420023132210
51022103124
6113542404
724140131
oct10133644
94027214
102144164
111234a40
12874a04
135a0c49
143db588
152c5494
hex20b7a4

2144164 has 12 divisors (see below), whose sum is σ = 4093488. Its totient is φ = 974600.

The previous prime is 2144161. The next prime is 2144167. The reversal of 2144164 is 4614412.

It is an interprime number because it is at equal distance from previous prime (2144161) and next prime (2144167).

It is a super-3 number, since 3×21441643 = 29572991253334448832, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2144161) 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, 24322 + ... + 24409.

It is an arithmetic number, because the mean of its divisors is an integer number (341124).

22144164 is an apocalyptic number.

It is an amenable number.

2144164 is a deficient number, since it is larger than the sum of its proper divisors (1949324).

2144164 is a wasteful number, since it uses less digits than its factorization.

2144164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48746 (or 48744 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 2144164 is about 1464.2964180793. The cubic root of 2144164 is about 128.9494022667.

Adding to 2144164 its reverse (4614412), we get a palindrome (6758576).

The spelling of 2144164 in words is "two million, one hundred forty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 48731 97462 194924 536041 1072082 2144164