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2246451157 = 2977463833
BaseRepresentation
bin1000010111100110…
…0001111111010101
312210120002112122201
42011321201333111
514100042414112
61010525124501
7106445343166
oct20571417725
95716075581
102246451157
11a53077005
125283b9731
1329a546652
141744cd76d
15d2345257
hex85e61fd5

2246451157 has 4 divisors (see below), whose sum is σ = 2323915020. Its totient is φ = 2168987296.

The previous prime is 2246451121. The next prime is 2246451161. The reversal of 2246451157 is 7511546422.

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 1026625681 + 1219825476 = 32041^2 + 34926^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246451157 - 215 = 2246418389 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 (2246451257) 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, 38731888 + ... + 38731945.

It is an arithmetic number, because the mean of its divisors is an integer number (580978755).

Almost surely, 22246451157 is an apocalyptic number.

It is an amenable number.

2246451157 is a deficient number, since it is larger than the sum of its proper divisors (77463863).

2246451157 is an equidigital number, since it uses as much as digits as its factorization.

2246451157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77463862.

The product of its digits is 67200, while the sum is 37.

The square root of 2246451157 is about 47396.7420504828. The cubic root of 2246451157 is about 1309.6814012620.

Adding to 2246451157 its reverse (7511546422), we get a palindrome (9757997579).

The spelling of 2246451157 in words is "two billion, two hundred forty-six million, four hundred fifty-one thousand, one hundred fifty-seven".

Divisors: 1 29 77463833 2246451157