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276472 = 2374937
BaseRepresentation
bin1000011011111111000
3112001020201
41003133320
532321342
65531544
72231020
oct1033770
9461221
10276472
11179799
12113bb4
1398ac1
1472a80
1556db7
hex437f8

276472 has 16 divisors (see below), whose sum is σ = 592560. Its totient is φ = 118464.

The previous prime is 276467. The next prime is 276487. The reversal of 276472 is 274672.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 276472.

It is a congruent number.

It is an unprimeable number.

276472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (37035).

2276472 is an apocalyptic number.

It is an amenable number.

276472 is an abundant number, since it is smaller than the sum of its proper divisors (316088).

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

276472 is a wasteful number, since it uses less digits than its factorization.

276472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950 (or 4946 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 276472 is about 525.8060478922. The cubic root of 276472 is about 65.1453944548.

The spelling of 276472 in words is "two hundred seventy-six thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 4937 9874 19748 34559 39496 69118 138236 276472