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2152044 = 223259779
BaseRepresentation
bin1000001101011001101100
311001100001100
420031121230
51022331134
6114043100
724202116
oct10153154
94040040
102152044
11123a954
12879490
135a46cb
144003b6
152c7999
hex20d66c

2152044 has 18 divisors (see below), whose sum is σ = 5439980. Its totient is φ = 717336.

The previous prime is 2152043. The next prime is 2152063. The reversal of 2152044 is 4402512.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2152043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29854 + ... + 29925.

22152044 is an apocalyptic number.

It is an amenable number.

2152044 is an abundant number, since it is smaller than the sum of its proper divisors (3287936).

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

2152044 is a wasteful number, since it uses less digits than its factorization.

2152044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59789 (or 59784 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2152044 is about 1466.9846624965. The cubic root of 2152044 is about 129.1071761194.

Adding to 2152044 its reverse (4402512), we get a palindrome (6554556).

The spelling of 2152044 in words is "two million, one hundred fifty-two thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 59779 119558 179337 239116 358674 538011 717348 1076022 2152044