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982521077 = 5218212297
BaseRepresentation
bin111010100100000…
…001010011110101
32112110210020112112
4322210001103311
54003011133302
6241254500405
733230201636
oct7244012365
92473706475
10982521077
1146467569a
12235064705
1312872a425
14946bb88d
155b3cc552
hex3a9014f5

982521077 has 8 divisors (see below), whose sum is σ = 986035032. Its totient is φ = 979014400.

The previous prime is 982521047. The next prime is 982521079. The reversal of 982521077 is 770125289.

It can be written as a sum of positive squares in 4 ways, for example, as 21893041 + 960628036 = 4679^2 + 30994^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 982521077 - 228 = 714085621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982521079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426593 + ... + 428889.

It is an arithmetic number, because the mean of its divisors is an integer number (123254379).

Almost surely, 2982521077 is an apocalyptic number.

It is an amenable number.

982521077 is a deficient number, since it is larger than the sum of its proper divisors (3513955).

982521077 is a wasteful number, since it uses less digits than its factorization.

982521077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 982521077 is about 31345.1922469778. The cubic root of 982521077 is about 994.1394129496.

The spelling of 982521077 in words is "nine hundred eighty-two million, five hundred twenty-one thousand, seventy-seven".

Divisors: 1 521 821 2297 427741 1196737 1885837 982521077