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253000151 = 1723146837
BaseRepresentation
bin11110001010001…
…11100111010111
3122122001201221222
433011013213113
51004232001101
641034400555
76161315525
oct1705074727
9578051858
10253000151
1111a8a2838
127089015b
1340553141
142585b315
151732801b
hexf1479d7

253000151 has 4 divisors (see below), whose sum is σ = 253148712. Its totient is φ = 252851592.

The previous prime is 253000133. The next prime is 253000177. The reversal of 253000151 is 151000352.

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

It is a cyclic number.

It is not a de Polignac number, because 253000151 - 26 = 253000087 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 (253002151) 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, 71696 + ... + 75141.

It is an arithmetic number, because the mean of its divisors is an integer number (63287178).

Almost surely, 2253000151 is an apocalyptic number.

253000151 is a deficient number, since it is larger than the sum of its proper divisors (148561).

253000151 is a wasteful number, since it uses less digits than its factorization.

253000151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148560.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 253000151 is about 15905.9784672305. The cubic root of 253000151 is about 632.4704801691.

The spelling of 253000151 in words is "two hundred fifty-three million, one hundred fifty-one", and thus it is an aban number.

Divisors: 1 1723 146837 253000151