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253101041 = 2116311901
BaseRepresentation
bin11110001011000…
…00001111110001
3122122020212100122
433011200033301
51004243213131
641040500025
76162215624
oct1705401761
9578225318
10253101041
1111a961616
127091a615
134058a03b
1425885dbb
1517347d7b
hexf1603f1

253101041 has 8 divisors (see below), whose sum is σ = 254837568. Its totient is φ = 251370000.

The previous prime is 253101029. The next prime is 253101097. The reversal of 253101041 is 140101352.

253101041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253101041 - 222 = 248906737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253101011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132191 + ... + 134091.

It is an arithmetic number, because the mean of its divisors is an integer number (31854696).

Almost surely, 2253101041 is an apocalyptic number.

It is an amenable number.

253101041 is a deficient number, since it is larger than the sum of its proper divisors (1736527).

253101041 is a wasteful number, since it uses less digits than its factorization.

253101041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 253101041 is about 15909.1496001515. The cubic root of 253101041 is about 632.5545400224.

Adding to 253101041 its reverse (140101352), we get a palindrome (393202393).

The spelling of 253101041 in words is "two hundred fifty-three million, one hundred one thousand, forty-one".

Divisors: 1 211 631 1901 133141 401111 1199531 253101041