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407630 = 2540763
BaseRepresentation
bin1100011100001001110
3202201011102
41203201032
5101021010
612423102
73315266
oct1434116
9681142
10407630
11259293
12177a92
13113702
14a87a6
1580ba5
hex6384e

407630 has 8 divisors (see below), whose sum is σ = 733752. Its totient is φ = 163048.

The previous prime is 407621. The next prime is 407633. The reversal of 407630 is 36704.

407630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20372 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (91719).

2407630 is an apocalyptic number.

407630 is a deficient number, since it is larger than the sum of its proper divisors (326122).

407630 is a wasteful number, since it uses less digits than its factorization.

407630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40770.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 407630 is about 638.4590824791. The cubic root of 407630 is about 74.1461683592.

The spelling of 407630 in words is "four hundred seven thousand, six hundred thirty".

Divisors: 1 2 5 10 40763 81526 203815 407630