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250145334 = 2343174871
BaseRepresentation
bin11101110100011…
…10101000110110
3122102200200220000
432322032220312
51003014122314
640453252130
76125125455
oct1672165066
9572620800
10250145334
1111922298a
126b934046
133ca938ba
1425316b9c
1516e62209
hexee8ea36

250145334 has 40 divisors (see below), whose sum is σ = 562394448. Its totient is φ = 83101680.

The previous prime is 250145321. The next prime is 250145339. The reversal of 250145334 is 433541052.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 250145298 and 250145307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250145339) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48919 + ... + 53789.

Almost surely, 2250145334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250145334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281197224).

250145334 is an abundant number, since it is smaller than the sum of its proper divisors (312249114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250145334 is a wasteful number, since it uses less digits than its factorization.

250145334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 250145334 is about 15815.9834977152. The cubic root of 250145334 is about 630.0825742105.

Adding to 250145334 its reverse (433541052), we get a palindrome (683686386).

The spelling of 250145334 in words is "two hundred fifty million, one hundred forty-five thousand, three hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 317 634 951 1902 2853 4871 5706 8559 9742 14613 17118 25677 29226 43839 51354 87678 131517 263034 394551 789102 1544107 3088214 4632321 9264642 13896963 27793926 41690889 83381778 125072667 250145334