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1290004368 = 24349435437
BaseRepresentation
bin100110011100011…
…1110011110010000
310022220101000022120
41030320332132100
510120220114433
6332001134240
743652566452
oct11470763620
93286330276
101290004368
116021a0414
1230002a380
131773483c3
14c347c2d2
15783b87b3
hex4ce3e790

1290004368 has 40 divisors (see below), whose sum is σ = 3333798528. Its totient is φ = 429835392.

The previous prime is 1290004357. The next prime is 1290004369. The reversal of 1290004368 is 8634000921.

It is a super-2 number, since 2×12900043682 = 3328222538918158848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1290004369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234546 + ... + 239982.

Almost surely, 21290004368 is an apocalyptic number.

It is an amenable number.

1290004368 is an abundant number, since it is smaller than the sum of its proper divisors (2043794160).

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

1290004368 is a wasteful number, since it uses less digits than its factorization.

1290004368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10391 (or 10385 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1290004368 is about 35916.6307996727. The cubic root of 1290004368 is about 1088.5884621205.

The spelling of 1290004368 in words is "one billion, two hundred ninety million, four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 4943 5437 9886 10874 14829 16311 19772 21748 29658 32622 39544 43496 59316 65244 79088 86992 118632 130488 237264 260976 26875091 53750182 80625273 107500364 161250546 215000728 322501092 430001456 645002184 1290004368