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401252 = 22100313
BaseRepresentation
bin1100001111101100100
3202101102012
41201331210
5100320002
612333352
73260555
oct1417544
9671365
10401252
11254515
12174258
13110837
14a632c
157dd52
hex61f64

401252 has 6 divisors (see below), whose sum is σ = 702198. Its totient is φ = 200624.

The previous prime is 401243. The next prime is 401279. The reversal of 401252 is 252104.

Adding to 401252 its reverse (252104), we get a palindrome (653356).

401252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 246016 + 155236 = 496^2 + 394^2 .

It is a super-2 number, since 2×4012522 = 322006335008, which contains 22 as substring.

It is an unprimeable number.

401252 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 as a sum of consecutive naturals, namely, 50153 + ... + 50160.

It is an arithmetic number, because the mean of its divisors is an integer number (117033).

2401252 is an apocalyptic number.

It is an amenable number.

401252 is a deficient number, since it is larger than the sum of its proper divisors (300946).

401252 is a wasteful number, since it uses less digits than its factorization.

401252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100317 (or 100315 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 401252 is about 633.4445516381. Note that the first 3 decimals coincide. The cubic root of 401252 is about 73.7574233646.

The spelling of 401252 in words is "four hundred one thousand, two hundred fifty-two".

Divisors: 1 2 4 100313 200626 401252