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5400522421 = 728113272069
BaseRepresentation
bin1010000011110010…
…10110111010110101
3111221101000222000221
411001321112322311
542030013204141
62251515534341
7250554453220
oct50171267265
914841028027
105400522421
1123214aa478
12106875a3b1
13680b23bc8
143933605b7
152191bebd1
hex141e56eb5

5400522421 has 16 divisors (see below), whose sum is σ = 6201653760. Its totient is φ = 4606842240.

The previous prime is 5400522389. The next prime is 5400522427. The reversal of 5400522421 is 1242250045.

5400522421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5400522421 - 25 = 5400522389 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 (5400522427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609175 + ... + 2611243.

It is an arithmetic number, because the mean of its divisors is an integer number (387603360).

Almost surely, 25400522421 is an apocalyptic number.

It is an amenable number.

5400522421 is a deficient number, since it is larger than the sum of its proper divisors (801131339).

5400522421 is a wasteful number, since it uses less digits than its factorization.

5400522421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5400522421 is about 73488.2468221960. The cubic root of 5400522421 is about 1754.4672177059.

Adding to 5400522421 its reverse (1242250045), we get a palindrome (6642772466).

The spelling of 5400522421 in words is "five billion, four hundred million, five hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 7 281 1327 1967 2069 9289 14483 372887 581389 2610209 2745563 4069723 19218941 771503203 5400522421