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1996359144 = 2331321393541
BaseRepresentation
bin111011011111110…
…0000010111101000
312011010111112220120
41312333200113220
513042031443034
6530032523240
7100320526023
oct16677402750
95133445816
101996359144
1193499019a
124786b0520
1325a7a1100
1414d1cc1ba
15ba3e3c49
hex76fe05e8

1996359144 has 96 divisors (see below), whose sum is σ = 5444762400. Its totient is φ = 609672960.

The previous prime is 1996359121. The next prime is 1996359301. The reversal of 1996359144 is 4419536991.

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, 562014 + ... + 565554.

It is an arithmetic number, because the mean of its divisors is an integer number (56716275).

Almost surely, 21996359144 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 1996359144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722381200).

1996359144 is an abundant number, since it is smaller than the sum of its proper divisors (3448403256).

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

1996359144 is a wasteful number, since it uses less digits than its factorization.

1996359144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3698 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 1996359144 is about 44680.6349999639. The cubic root of 1996359144 is about 1259.1560536477.

The spelling of 1996359144 in words is "one billion, nine hundred ninety-six million, three hundred fifty-nine thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 139 156 169 278 312 338 417 507 556 676 834 1014 1112 1352 1668 1807 2028 3336 3541 3614 4056 5421 7082 7228 10623 10842 14164 14456 21246 21684 23491 28328 42492 43368 46033 46982 70473 84984 92066 93964 138099 140946 184132 187928 276198 281892 368264 492199 552396 563784 598429 984398 1104792 1196858 1476597 1795287 1968796 2393716 2953194 3590574 3937592 4787432 5906388 6398587 7181148 11812776 12797174 14362296 19195761 25594348 38391522 51188696 76783044 83181631 153566088 166363262 249544893 332726524 499089786 665453048 998179572 1996359144