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253890151 is a prime number
BaseRepresentation
bin11110010001000…
…00111001100111
3122200201221210221
433020200321213
51004443441101
641105425211
76202013344
oct1710407147
9580657727
10253890151
11120350479
127103b207
13407a5278
1425a0d7cb
1517451aa1
hexf220e67

253890151 has 2 divisors, whose sum is σ = 253890152. Its totient is φ = 253890150.

The previous prime is 253890139. The next prime is 253890173. The reversal of 253890151 is 151098352.

253890151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253890151 - 219 = 253365863 is a prime.

It is a super-3 number, since 3×2538901513 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253890451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126945075 + 126945076.

It is an arithmetic number, because the mean of its divisors is an integer number (126945076).

Almost surely, 2253890151 is an apocalyptic number.

253890151 is a deficient number, since it is larger than the sum of its proper divisors (1).

253890151 is an equidigital number, since it uses as much as digits as its factorization.

253890151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 253890151 is about 15933.9308081842. The cubic root of 253890151 is about 633.2112438405.

The spelling of 253890151 in words is "two hundred fifty-three million, eight hundred ninety thousand, one hundred fifty-one".