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3020403040 = 255163179647
BaseRepresentation
bin1011010000000111…
…1011000101100000
321210111102101001021
42310001323011200
522141210344130
61215413415224
7134564000524
oct26401730540
97714371037
103020403040
11130aa36566
1270363a514
133919a9245
142091d7d84
1512a27437a
hexb407b160

3020403040 has 96 divisors (see below), whose sum is σ = 7230746880. Its totient is φ = 1192195584.

The previous prime is 3020403031. The next prime is 3020403049. The reversal of 3020403040 is 403040203.

It is an interprime number because it is at equal distance from previous prime (3020403031) and next prime (3020403049).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020403049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4667997 + ... + 4668643.

It is an arithmetic number, because the mean of its divisors is an integer number (75320280).

Almost surely, 23020403040 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 3020403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615373440).

3020403040 is an abundant number, since it is smaller than the sum of its proper divisors (4210343840).

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

3020403040 is a wasteful number, since it uses less digits than its factorization.

3020403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 3020403040 is about 54958.1935656550. The cubic root of 3020403040 is about 1445.5117722062.

Adding to 3020403040 its reverse (403040203), we get a palindrome (3423443243).

The spelling of 3020403040 in words is "three billion, twenty million, four hundred three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 163 179 326 358 647 652 716 815 895 1294 1304 1432 1630 1790 2588 2608 2864 3235 3260 3580 5176 5216 5728 6470 6520 7160 10352 12940 13040 14320 20704 25880 26080 28640 29177 51760 58354 103520 105461 115813 116708 145885 210922 231626 233416 291770 421844 463252 466832 527305 579065 583540 843688 926504 933664 1054610 1158130 1167080 1687376 1853008 2109220 2316260 2334160 3374752 3706016 4218440 4632520 4668320 8436880 9265040 16873760 18530080 18877519 37755038 75510076 94387595 151020152 188775190 302040304 377550380 604080608 755100760 1510201520 3020403040