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1038489318 = 232137421123
BaseRepresentation
bin111101111001100…
…001011011100110
32200101002201112100
4331321201123212
54111323124233
6251014232530
734510004436
oct7571413346
92611081470
101038489318
11493222439
1224b955746
131371c5229
149bcca2c6
1561285813
hex3de616e6

1038489318 has 24 divisors (see below), whose sum is σ = 2266489368. Its totient is φ = 343635552.

The previous prime is 1038489317. The next prime is 1038489337. The reversal of 1038489318 is 8139848301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038489317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208096 + ... + 213027.

It is an arithmetic number, because the mean of its divisors is an integer number (94437057).

Almost surely, 21038489318 is an apocalyptic number.

1038489318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1038489318 is an abundant number, since it is smaller than the sum of its proper divisors (1228000050).

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

1038489318 is a wasteful number, since it uses less digits than its factorization.

1038489318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421268 (or 421265 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1038489318 is about 32225.6003512735. The cubic root of 1038489318 is about 1012.6686014611.

The spelling of 1038489318 in words is "one billion, thirty-eight million, four hundred eighty-nine thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 137 274 411 822 1233 2466 421123 842246 1263369 2526738 3790107 7580214 57693851 115387702 173081553 346163106 519244659 1038489318