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250134031 = 7191880707
BaseRepresentation
bin11101110100010…
…11111000001111
3122102200010101101
432322023320033
51003013242111
640453123531
76125050510
oct1672137017
9572603341
10250134031
11119215444
126b9295a7
133ca8b704
1425312a07
1516e5dbc1
hexee8be0f

250134031 has 8 divisors (see below), whose sum is σ = 300913280. Its totient is φ = 203116248.

The previous prime is 250134013. The next prime is 250134041. The reversal of 250134031 is 130431052.

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 250134031 - 25 = 250133999 is a prime.

It is a super-2 number, since 2×2501340312 = 125134066928617922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250134011) 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 7 ways as a sum of consecutive naturals, for example, 940221 + ... + 940486.

It is an arithmetic number, because the mean of its divisors is an integer number (37614160).

Almost surely, 2250134031 is an apocalyptic number.

250134031 is a deficient number, since it is larger than the sum of its proper divisors (50779249).

250134031 is a wasteful number, since it uses less digits than its factorization.

250134031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880733.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 250134031 is about 15815.6261652835. The cubic root of 250134031 is about 630.0730838202.

Adding to 250134031 its reverse (130431052), we get a palindrome (380565083).

The spelling of 250134031 in words is "two hundred fifty million, one hundred thirty-four thousand, thirty-one".

Divisors: 1 7 19 133 1880707 13164949 35733433 250134031