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397579104 = 2537131923
BaseRepresentation
bin10111101100101…
…001001101100000
31000201010010000000
4113230221031200
51303240012404
6103241300000
712565236516
oct2754511540
91021103000
10397579104
1119447207a
12b1194600
13644a4710
143ab344b6
1524d86339
hex17b29360

397579104 has 384 divisors, whose sum is σ = 1388620800. Its totient is φ = 110854656.

The previous prime is 397579099. The next prime is 397579159. The reversal of 397579104 is 401975793.

It is a self number, because there is not a number n which added to its sum of digits gives 397579104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17286037 + ... + 17286059.

It is an arithmetic number, because the mean of its divisors is an integer number (3616200).

Almost surely, 2397579104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397579104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694310400).

397579104 is an abundant number, since it is smaller than the sum of its proper divisors (991041696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397579104 is a wasteful number, since it uses less digits than its factorization.

397579104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 397579104 is about 19939.3857478108. The cubic root of 397579104 is about 735.3168479815.

The spelling of 397579104 in words is "three hundred ninety-seven million, five hundred seventy-nine thousand, one hundred four".