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2235390947 is a prime number
BaseRepresentation
bin1000010100111101…
…0101101111100011
312202210021121220022
42011033111233203
514034230002242
61005452104055
7106252336526
oct20517255743
95683247808
102235390947
11a47902339
1252476502b
1329817334a
14172c50bbd
15d13ad0d2
hex853d5be3

2235390947 has 2 divisors, whose sum is σ = 2235390948. Its totient is φ = 2235390946.

The previous prime is 2235390931. The next prime is 2235390959. The reversal of 2235390947 is 7490935322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2235390947 - 24 = 2235390931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2235390898 and 2235390907.

It is not a weakly prime, because it can be changed into another prime (2235390247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117695473 + 1117695474.

It is an arithmetic number, because the mean of its divisors is an integer number (1117695474).

Almost surely, 22235390947 is an apocalyptic number.

2235390947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235390947 is an equidigital number, since it uses as much as digits as its factorization.

2235390947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 2235390947 is about 47279.9211822524. The cubic root of 2235390947 is about 1307.5284960770.

The spelling of 2235390947 in words is "two billion, two hundred thirty-five million, three hundred ninety thousand, nine hundred forty-seven".