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452 = 22113
BaseRepresentation
bin111000100
3121202
413010
53302
62032
71214
oct704
9552
10452
11381
12318
1328a
14244
15202
hex1c4

452 has 6 divisors (see below), whose sum is σ = 798. Its totient is φ = 224.

The previous prime is 449. The next prime is 457. The reversal of 452 is 254.

Subtracting from 452 its sum of digits (11), we obtain a square (441 = 212).

452 = T13 + T14 + ... + T16.

452 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 256 + 196 = 16^2 + 14^2 .

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

452 is an undulating number in base 15.

It is a plaindrome in base 13 and base 14.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53 + ... + 60.

It is an arithmetic number, because the mean of its divisors is an integer number (133).

It is an amenable number.

452 is a deficient number, since it is larger than the sum of its proper divisors (346).

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

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

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its digits is 40, while the sum is 11.

The square root of 452 is about 21.2602916255. The cubic root of 452 is about 7.6744302788.

The spelling of 452 in words is "four hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 4 113 226 452