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672276 = 223112463
BaseRepresentation
bin10100100001000010100
31021011012010
42210020110
5133003101
622224220
75466663
oct2441024
91234163
10672276
1141a100
12285070
131a6cc7
14136dda
15d42d6
hexa4214

672276 has 36 divisors (see below), whose sum is σ = 1727936. Its totient is φ = 203280.

The previous prime is 672271. The next prime is 672283.

672276 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672271) by changing a digit.

672276 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 11 ways as a sum of consecutive naturals, for example, 1221 + ... + 1683.

2672276 is an apocalyptic number.

672276 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863968).

672276 is an abundant number, since it is smaller than the sum of its proper divisors (1055660).

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

672276 is a wasteful number, since it uses less digits than its factorization.

672276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 479 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 672276 is about 819.9243867577. The cubic root of 672276 is about 87.6023726969.

The spelling of 672276 in words is "six hundred seventy-two thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 463 484 726 926 1389 1452 1852 2778 5093 5556 10186 15279 20372 30558 56023 61116 112046 168069 224092 336138 672276