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401230 = 2540123
BaseRepresentation
bin1100001111101001110
3202101101101
41201331032
5100314410
612333314
73260524
oct1417516
9671341
10401230
112544a5
1217423a
1311081b
14a6314
157dd3a
hex61f4e

401230 has 8 divisors (see below), whose sum is σ = 722232. Its totient is φ = 160488.

The previous prime is 401209. The next prime is 401231. The reversal of 401230 is 32104.

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 40123 = 401230 / (4 + 0 + 1 + 2 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401231) by changing a digit.

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, 20052 + ... + 20071.

It is an arithmetic number, because the mean of its divisors is an integer number (90279).

2401230 is an apocalyptic number.

401230 is a deficient number, since it is larger than the sum of its proper divisors (321002).

401230 is a wasteful number, since it uses less digits than its factorization.

401230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40130.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 401230 is about 633.4271860285. The cubic root of 401230 is about 73.7560753398.

Adding to 401230 its reverse (32104), we get a palindrome (433334).

The spelling of 401230 in words is "four hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 40123 80246 200615 401230