Search a number
-
+
147794388 = 223721913229
BaseRepresentation
bin10001100111100…
…10100111010100
3101022002201210020
420303302213110
5300313410023
622355425140
73443142300
oct1063624724
9338081706
10147794388
1176476125
12415b51b0
1324809001
14158b2d00
15ce95de3
hex8cf29d4

147794388 has 72 divisors (see below), whose sum is σ = 422301600. Its totient is φ = 40001472.

The previous prime is 147794377. The next prime is 147794431. The reversal of 147794388 is 883497741.

147794388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1477943882 = 43686362248589088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147794388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4558 + ... + 17786.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2147794388 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 147794388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211150800).

147794388 is an abundant number, since it is smaller than the sum of its proper divisors (274507212).

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

147794388 is a wasteful number, since it uses less digits than its factorization.

147794388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269 (or 13260 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 147794388 is about 12157.0715223692. The cubic root of 147794388 is about 528.7121788863.

The spelling of 147794388 in words is "one hundred forty-seven million, seven hundred ninety-four thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 49 57 76 84 98 114 133 147 196 228 266 294 399 532 588 798 931 1596 1862 2793 3724 5586 11172 13229 26458 39687 52916 79374 92603 158748 185206 251351 277809 370412 502702 555618 648221 754053 1005404 1111236 1296442 1508106 1759457 1944663 2592884 3016212 3518914 3889326 5278371 7037828 7778652 10556742 12316199 21113484 24632398 36948597 49264796 73897194 147794388