Search a number
-
+
1001132230 = 257219191563
BaseRepresentation
bin111011101011000…
…001000011000110
32120202210210020111
4323223001003012
54022242212410
6243201423234
733544324600
oct7353010306
92522723214
101001132230
1147412750a
1223b33ab1a
1312c545647
1496d64170
155cd56b8a
hex3bac10c6

1001132230 has 96 divisors (see below), whose sum is σ = 2222069760. Its totient is φ = 322902720.

The previous prime is 1001132221. The next prime is 1001132263. The reversal of 1001132230 is 322311001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001132230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1777929 + ... + 1778491.

It is an arithmetic number, because the mean of its divisors is an integer number (23146560).

Almost surely, 21001132230 is an apocalyptic number.

1001132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001132230 is an abundant number, since it is smaller than the sum of its proper divisors (1220937530).

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

1001132230 is a wasteful number, since it uses less digits than its factorization.

1001132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1001132230 is about 31640.6736653947. The cubic root of 1001132230 is about 1000.3772676512.

Adding to 1001132230 its reverse (322311001), we get a palindrome (1323443231).

The spelling of 1001132230 in words is "one billion, one million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 191 245 266 382 490 563 665 931 955 1126 1330 1337 1862 1910 2674 2815 3629 3941 4655 5630 6685 7258 7882 9310 9359 10697 13370 18145 18718 19705 21394 25403 27587 36290 39410 46795 50806 53485 55174 74879 93590 106970 107533 127015 137935 149758 177821 215066 254030 275870 355642 374395 524153 537665 748790 752731 889105 1048306 1075330 1505462 1778210 2043127 2620765 3763655 4086254 5241530 5269117 7527310 10215635 10538234 14301889 20431270 26345585 28603778 52691170 71509445 100113223 143018890 200226446 500566115 1001132230