Search a number
-
+
1219839088 = 241331375113
BaseRepresentation
bin100100010110101…
…0100010001110000
310011000100020122111
41020231110101300
54444234322323
6321013215104
742141314116
oct11055242160
93130306574
101219839088
11576627186
122a0631494
1316594c5a0
14b8015ab6
1572158c0d
hex48b54470

1219839088 has 80 divisors (see below), whose sum is σ = 2698882816. Its totient is φ = 530012160.

The previous prime is 1219839077. The next prime is 1219839133. The reversal of 1219839088 is 8809389121.

It is a super-2 number, since 2×12198390882 = 2976014801225343488, which contains 22 as substring.

It is a congruent number.

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, 236020 + ... + 241132.

Almost surely, 21219839088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1219839088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349441408).

1219839088 is an abundant number, since it is smaller than the sum of its proper divisors (1479043728).

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

1219839088 is a wasteful number, since it uses less digits than its factorization.

1219839088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 1219839088 is about 34926.1948686083. The cubic root of 1219839088 is about 1068.4827501446.

The spelling of 1219839088 in words is "one billion, two hundred nineteen million, eight hundred thirty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 13 16 26 31 37 52 62 74 104 124 148 208 248 296 403 481 496 592 806 962 1147 1612 1924 2294 3224 3848 4588 5113 6448 7696 9176 10226 14911 18352 20452 29822 40904 59644 66469 81808 119288 132938 158503 189181 238576 265876 317006 378362 531752 634012 756724 1063504 1268024 1513448 2060539 2459353 2536048 3026896 4121078 4918706 5864611 8242156 9837412 11729222 16484312 19674824 23458444 32968624 39349648 46916888 76239943 93833776 152479886 304959772 609919544 1219839088