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3440201557 = 13264630889
BaseRepresentation
bin1100110100001101…
…0100111101010101
322212202100100100111
43031003110331111
524021142422212
61325211243021
7151152142102
oct31503247525
98782310314
103440201557
1115059a4391
12800149471
1342a960330
14248c73aa9
15152048ea7
hexcd0d4f55

3440201557 has 4 divisors (see below), whose sum is σ = 3704832460. Its totient is φ = 3175570656.

The previous prime is 3440201551. The next prime is 3440201573. The reversal of 3440201557 is 7551020443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 471150436 + 2969051121 = 21706^2 + 54489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3440201557 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 (3440201551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132315432 + ... + 132315457.

It is an arithmetic number, because the mean of its divisors is an integer number (926208115).

Almost surely, 23440201557 is an apocalyptic number.

It is an amenable number.

3440201557 is a deficient number, since it is larger than the sum of its proper divisors (264630903).

3440201557 is a wasteful number, since it uses less digits than its factorization.

3440201557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264630902.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 3440201557 is about 58653.2314284558. The cubic root of 3440201557 is about 1509.5979452362.

The spelling of 3440201557 in words is "three billion, four hundred forty million, two hundred one thousand, five hundred fifty-seven".

Divisors: 1 13 264630889 3440201557