Search a number
-
+
747133140 = 2235132334111
BaseRepresentation
bin101100100010000…
…101100011010100
31221001212021222210
4230202011203110
53012231230030
6202045353420
724341345505
oct5442054324
91831767883
10747133140
11353812206
1218a268870
13bba32920
1471326bac
15458d2bb0
hex2c8858d4

747133140 has 96 divisors (see below), whose sum is σ = 2263113216. Its totient is φ = 183075840.

The previous prime is 747133109. The next prime is 747133159. The reversal of 747133140 is 41331747.

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 = 747133098 and 747133107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179685 + ... + 183795.

It is an arithmetic number, because the mean of its divisors is an integer number (23574096).

Almost surely, 2747133140 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 747133140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131556608).

747133140 is an abundant number, since it is smaller than the sum of its proper divisors (1515980076).

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

747133140 is a wasteful number, since it uses less digits than its factorization.

747133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 747133140 is about 27333.7362978426. The cubic root of 747133140 is about 907.4011670556.

Adding to 747133140 its reverse (41331747), we get a palindrome (788464887).

The spelling of 747133140 in words is "seven hundred forty-seven million, one hundred thirty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 233 260 390 466 699 780 932 1165 1398 2330 2796 3029 3495 4111 4660 6058 6990 8222 9087 12116 12333 13980 15145 16444 18174 20555 24666 30290 36348 41110 45435 49332 53443 60580 61665 82220 90870 106886 123330 160329 181740 213772 246660 267215 320658 534430 641316 801645 957863 1068860 1603290 1915726 2873589 3206580 3831452 4789315 5747178 9578630 11494356 12452219 14367945 19157260 24904438 28735890 37356657 49808876 57471780 62261095 74713314 124522190 149426628 186783285 249044380 373566570 747133140