Search a number
-
+
3021345200 = 245249915137
BaseRepresentation
bin1011010000010110…
…0001000110110000
321210120012020110002
42310011201012300
522141431021300
61215445525132
7134605003406
oct26405410660
97716166402
103021345200
11131051a405
12703a137a8
13391c49033
142093a1476
1512a3ad5d5
hexb41611b0

3021345200 has 60 divisors (see below), whose sum is σ = 7273809000. Its totient is φ = 1206036480.

The previous prime is 3021345191. The next prime is 3021345221. The reversal of 3021345200 is 25431203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192032 + ... + 207168.

It is an arithmetic number, because the mean of its divisors is an integer number (121230150).

Almost surely, 23021345200 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 3021345200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3636904500).

3021345200 is an abundant number, since it is smaller than the sum of its proper divisors (4252463800).

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

3021345200 is a wasteful number, since it uses less digits than its factorization.

3021345200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15654 (or 15643 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3021345200 is about 54966.7645036526. The cubic root of 3021345200 is about 1445.6620569829.

Adding to 3021345200 its reverse (25431203), we get a palindrome (3046776403).

The spelling of 3021345200 in words is "three billion, twenty-one million, three hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 499 998 1996 2495 3992 4990 7984 9980 12475 15137 19960 24950 30274 39920 49900 60548 75685 99800 121096 151370 199600 242192 302740 378425 605480 756850 1210960 1513700 3027400 6054800 7553363 15106726 30213452 37766815 60426904 75533630 120853808 151067260 188834075 302134520 377668150 604269040 755336300 1510672600 3021345200