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406772 = 22101693
BaseRepresentation
bin1100011010011110100
3202122222122
41203103310
5101004042
612415112
73312632
oct1432364
9678878
10406772
11258683
12177498
131131c2
14a8352
15807d2
hex634f4

406772 has 6 divisors (see below), whose sum is σ = 711858. Its totient is φ = 203384.

The previous prime is 406739. The next prime is 406789. The reversal of 406772 is 277604.

It can be written as a sum of positive squares in only one way, i.e., 306916 + 99856 = 554^2 + 316^2 .

It is a congruent number.

It is an unprimeable number.

406772 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, 50843 + ... + 50850.

It is an arithmetic number, because the mean of its divisors is an integer number (118643).

2406772 is an apocalyptic number.

It is an amenable number.

406772 is a deficient number, since it is larger than the sum of its proper divisors (305086).

406772 is a wasteful number, since it uses less digits than its factorization.

406772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101697 (or 101695 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 406772 is about 637.7867982328. The cubic root of 406772 is about 74.0941096297.

The spelling of 406772 in words is "four hundred six thousand, seven hundred seventy-two".

Divisors: 1 2 4 101693 203386 406772