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708401 = 2812521
BaseRepresentation
bin10101100111100110001
31022222202002
42230330301
5140132101
623103345
76010211
oct2547461
91288662
10708401
11444261
122a1b55
131ba595
14146241
15ded6b
hexacf31

708401 has 4 divisors (see below), whose sum is σ = 711204. Its totient is φ = 705600.

The previous prime is 708371. The next prime is 708403. The reversal of 708401 is 104807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104807 = 311337.

It can be written as a sum of positive squares in 2 ways, for example, as 160801 + 547600 = 401^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 708401 - 214 = 692017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 708401.

It is not an unprimeable number, because it can be changed into a prime (708403) 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, 980 + ... + 1541.

It is an arithmetic number, because the mean of its divisors is an integer number (177801).

2708401 is an apocalyptic number.

It is an amenable number.

708401 is a deficient number, since it is larger than the sum of its proper divisors (2803).

708401 is a wasteful number, since it uses less digits than its factorization.

708401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 708401 is about 841.6656105604. The cubic root of 708401 is about 89.1441924706.

It can be divided in two parts, 70 and 8401, that multiplied together give a triangular number (588070 = T1084).

The spelling of 708401 in words is "seven hundred eight thousand, four hundred one".

Divisors: 1 281 2521 708401