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800139039 = 371953157241
BaseRepresentation
bin101111101100010…
…010011100011111
32001202121021102020
4233230102130133
53114313422124
6211221431223
725554032610
oct5754223437
92052537366
10800139039
11380726337
121a3b6b513
13c9a0126b
14783a3c07
154a3a3379
hex2fb1271f

800139039 has 64 divisors (see below), whose sum is σ = 1321436160. Its totient is φ = 420526080.

The previous prime is 800139037. The next prime is 800139059. The reversal of 800139039 is 930931008.

It is not a de Polignac number, because 800139039 - 21 = 800139037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800139037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3319959 + ... + 3320199.

It is an arithmetic number, because the mean of its divisors is an integer number (20647440).

Almost surely, 2800139039 is an apocalyptic number.

800139039 is a deficient number, since it is larger than the sum of its proper divisors (521297121).

800139039 is a wasteful number, since it uses less digits than its factorization.

800139039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 800139039 is about 28286.7290261706. The cubic root of 800139039 is about 928.3715437630.

The spelling of 800139039 in words is "eight hundred million, one hundred thirty-nine thousand, thirty-nine".

Divisors: 1 3 7 19 21 53 57 133 157 159 241 371 399 471 723 1007 1099 1113 1687 2983 3021 3297 4579 5061 7049 8321 8949 12773 13737 20881 21147 24963 32053 37837 38319 58247 62643 89411 96159 113511 158099 174741 242687 264859 268233 474297 718903 728061 794577 1106693 1698809 2005361 2156709 3320079 5032321 5096427 6016083 14037527 15096963 38101859 42112581 114305577 266713013 800139039