Search a number
-
+
250137030 = 2351113199293
BaseRepresentation
bin11101110100011…
…00100111000110
3122102200021111110
432322030213012
51003013341110
640453145450
76125062323
oct1672144706
9572607443
10250137030
11119217720
126b92b286
133ca8cba0
1425313b4a
1516e5ea20
hexee8c9c6

250137030 has 128 divisors (see below), whose sum is σ = 711244800. Its totient is φ = 55503360.

The previous prime is 250137011. The next prime is 250137037. The reversal of 250137030 is 30731052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 250136988 and 250137006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250137037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 853564 + ... + 853856.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2250137030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250137030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355622400).

250137030 is an abundant number, since it is smaller than the sum of its proper divisors (461107770).

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

250137030 is a wasteful number, since it uses less digits than its factorization.

250137030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 250137030 is about 15815.7209762944. The cubic root of 250137030 is about 630.0756019123.

Adding to 250137030 its reverse (30731052), we get a palindrome (280868082).

The spelling of 250137030 in words is "two hundred fifty million, one hundred thirty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 78 110 130 143 165 195 199 286 293 330 390 398 429 586 597 715 858 879 995 1194 1430 1465 1758 1990 2145 2189 2587 2930 2985 3223 3809 4290 4378 4395 5174 5970 6446 6567 7618 7761 8790 9669 10945 11427 12935 13134 15522 16115 19045 19338 21890 22854 25870 28457 32230 32835 38090 38805 41899 48345 56914 57135 58307 65670 77610 83798 85371 96690 114270 116614 125697 142285 170742 174921 209495 251394 284570 291535 349842 418990 426855 583070 628485 641377 757991 853710 874605 1256970 1282754 1515982 1749210 1924131 2273973 3206885 3789955 3848262 4547946 6413770 7579910 8337901 9620655 11369865 16675802 19241310 22739730 25013703 41689505 50027406 83379010 125068515 250137030