Search a number
-
+
451272 = 23318803
BaseRepresentation
bin1101110001011001000
3211221000210
41232023020
5103420042
613401120
73556443
oct1561310
9757023
10451272
11289058
121991a0
1312a533
14ba65a
158da9c
hex6e2c8

451272 has 16 divisors (see below), whose sum is σ = 1128240. Its totient is φ = 150416.

The previous prime is 451249. The next prime is 451277. The reversal of 451272 is 272154.

451272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (451277) by changing a digit.

451272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9378 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (70515).

2451272 is an apocalyptic number.

It is an amenable number.

451272 is an abundant number, since it is smaller than the sum of its proper divisors (676968).

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

451272 is a wasteful number, since it uses less digits than its factorization.

451272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18812 (or 18808 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 451272 is about 671.7678170320. The cubic root of 451272 is about 76.7030786920.

The spelling of 451272 in words is "four hundred fifty-one thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 18803 37606 56409 75212 112818 150424 225636 451272