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2149452 = 223259707
BaseRepresentation
bin1000001100110001001100
311001012111100
420030301030
51022240302
6114023100
724161424
oct10146114
94035440
102149452
111238a08
12877a90
135a3486
143dd484
152c6d1c
hex20cc4c

2149452 has 18 divisors (see below), whose sum is σ = 5433428. Its totient is φ = 716472.

The previous prime is 2149421. The next prime is 2149453. The reversal of 2149452 is 2549412.

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2149453) 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, 29818 + ... + 29889.

22149452 is an apocalyptic number.

It is an amenable number.

2149452 is an abundant number, since it is smaller than the sum of its proper divisors (3283976).

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

2149452 is a wasteful number, since it uses less digits than its factorization.

2149452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59717 (or 59712 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2149452 is about 1466.1009515037. The cubic root of 2149452 is about 129.0553215037.

It can be divided in two parts, 2149 and 452, that added together give a square (2601 = 512).

The spelling of 2149452 in words is "two million, one hundred forty-nine thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 59707 119414 179121 238828 358242 537363 716484 1074726 2149452