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349071888 = 24311661121
BaseRepresentation
bin10100110011100…
…110101000010000
3220022211200121110
4110303212220100
51203330300023
654345453320
711436030204
oct2463465020
9808750543
10349071888
1116a050970
1298aa1240
135741c919
1434508b04
15209a3a93
hex14ce6a10

349071888 has 40 divisors (see below), whose sum is σ = 983749536. Its totient is φ = 105779200.

The previous prime is 349071887. The next prime is 349071913. The reversal of 349071888 is 888170943.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (349071883) 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, 330033 + ... + 331088.

Almost surely, 2349071888 is an apocalyptic number.

It is an amenable number.

349071888 is an abundant number, since it is smaller than the sum of its proper divisors (634677648).

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

349071888 is a wasteful number, since it uses less digits than its factorization.

349071888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661143 (or 661137 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 349071888 is about 18683.4656314079. The cubic root of 349071888 is about 704.1063996381.

The spelling of 349071888 in words is "three hundred forty-nine million, seventy-one thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 661121 1322242 1983363 2644484 3966726 5288968 7272331 7933452 10577936 14544662 15866904 21816993 29089324 31733808 43633986 58178648 87267972 116357296 174535944 349071888