Search a number
-
+
250303335240 = 23357297980161
BaseRepresentation
bin1110100100011100111…
…1011100101101001000
3212221002001212212211210
43221013033130231020
513100110123211430
6310553205053120
724040515150030
oct3510717345510
9787061785753
10250303335240
1197175786532
12406160b71a0
131a7acb86aba
14c186c128c0
15679e7862b0
hex3a473dcb48

250303335240 has 64 divisors (see below), whose sum is σ = 858182866560. Its totient is φ = 57212190720.

The previous prime is 250303335209. The next prime is 250303335257. The reversal of 250303335240 is 42533303052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 250303335198 and 250303335207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148989241 + ... + 148990920.

It is an arithmetic number, because the mean of its divisors is an integer number (13409107290).

Almost surely, 2250303335240 is an apocalyptic number.

250303335240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250303335240 is an abundant number, since it is smaller than the sum of its proper divisors (607879531320).

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

250303335240 is a wasteful number, since it uses less digits than its factorization.

250303335240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297980182 (or 297980178 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 250303335240 its reverse (42533303052), we get a palindrome (292836638292).

The spelling of 250303335240 in words is "two hundred fifty billion, three hundred three million, three hundred thirty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 297980161 595960322 893940483 1191920644 1489900805 1787880966 2085861127 2383841288 2979801610 3575761932 4171722254 4469702415 5959603220 6257583381 7151523864 8343444508 8939404830 10429305635 11919206440 12515166762 16686889016 17878809660 20858611270 25030333524 31287916905 35757619320 41717222540 50060667048 62575833810 83434445080 125151667620 250303335240