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1338842088 = 233322927067
BaseRepresentation
bin100111111001101…
…0001101111101000
310110022021020002000
41033303101233220
510220220421323
6340504011000
745114653463
oct11763215750
93408236060
101338842088
11627817971
12314460a60
131844b776c
14c9b522da
157c813e43
hex4fcd1be8

1338842088 has 64 divisors (see below), whose sum is σ = 3735384000. Its totient is φ = 444315456.

The previous prime is 1338842083. The next prime is 1338842107. The reversal of 1338842088 is 8802488331.

It is not an unprimeable number, because it can be changed into a prime (1338842081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35931 + ... + 62997.

It is an arithmetic number, because the mean of its divisors is an integer number (58365375).

Almost surely, 21338842088 is an apocalyptic number.

1338842088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338842088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867692000).

1338842088 is an abundant number, since it is smaller than the sum of its proper divisors (2396541912).

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

1338842088 is a wasteful number, since it uses less digits than its factorization.

1338842088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27311 (or 27301 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1338842088 is about 36590.1911446224. The cubic root of 1338842088 is about 1102.1561258064.

The spelling of 1338842088 in words is "one billion, three hundred thirty-eight million, eight hundred forty-two thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 229 458 687 916 1374 1832 2061 2748 4122 5496 6183 8244 12366 16488 24732 27067 49464 54134 81201 108268 162402 216536 243603 324804 487206 649608 730809 974412 1461618 1948824 2923236 5846472 6198343 12396686 18595029 24793372 37190058 49586744 55785087 74380116 111570174 148760232 167355261 223140348 334710522 446280696 669421044 1338842088