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672330 = 23573307
BaseRepresentation
bin10100100001001001010
31021011021010
42210021022
5133003310
622224350
75500101
oct2441112
91234233
10672330
1141a14a
122850b6
131a7039
14137038
15d4320
hexa424a

672330 has 32 divisors (see below), whose sum is σ = 1641024. Its totient is φ = 176256.

The previous prime is 672323. The next prime is 672341. The reversal of 672330 is 33276.

672330 is nontrivially palindromic in base 16.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 672297 and 672306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (51282).

2672330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820512).

672330 is an abundant number, since it is smaller than the sum of its proper divisors (968694).

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

672330 is a wasteful number, since it uses less digits than its factorization.

672330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 672330 is about 819.9573159622. The cubic root of 672330 is about 87.6047181629.

The spelling of 672330 in words is "six hundred seventy-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 307 365 438 614 730 921 1095 1535 1842 2190 3070 4605 9210 22411 44822 67233 112055 134466 224110 336165 672330