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980057 = 1375389
BaseRepresentation
bin11101111010001011001
31211210101102
43233101121
5222330212
633001145
711221211
oct3572131
91753342
10980057
1160a371
123b31b5
13284120
141b7241
151455c2
hexef459

980057 has 4 divisors (see below), whose sum is σ = 1055460. Its totient is φ = 904656.

The previous prime is 980047. The next prime is 980069. The reversal of 980057 is 750089.

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: 750089 = 827907.

It can be written as a sum of positive squares in 2 ways, for example, as 177241 + 802816 = 421^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 980057 - 216 = 914521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980057.

It is not an unprimeable number, because it can be changed into a prime (980027) 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, 37682 + ... + 37707.

It is an arithmetic number, because the mean of its divisors is an integer number (263865).

2980057 is an apocalyptic number.

It is an amenable number.

980057 is a deficient number, since it is larger than the sum of its proper divisors (75403).

980057 is a wasteful number, since it uses less digits than its factorization.

980057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75402.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 980057 is about 989.9782825901. The cubic root of 980057 is about 99.3307645638.

The spelling of 980057 in words is "nine hundred eighty thousand, fifty-seven".

Divisors: 1 13 75389 980057