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349938912 = 25331591993
BaseRepresentation
bin10100110110111…
…010010011100000
3220101110201221110
4110312322103200
51204041021122
654420223320
711446301031
oct2466722340
9811421843
10349938912
1116a593314
129923ab40
135766445b
1434692a88
1520ac590c
hex14dba4e0

349938912 has 96 divisors (see below), whose sum is σ = 964776960. Its totient is φ = 110914560.

The previous prime is 349938893. The next prime is 349938917. The reversal of 349938912 is 219839943.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349938917) 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, 174588 + ... + 176580.

It is an arithmetic number, because the mean of its divisors is an integer number (10049760).

Almost surely, 2349938912 is an apocalyptic number.

349938912 is a gapful number since it is divisible by the number (32) 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 349938912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482388480).

349938912 is an abundant number, since it is smaller than the sum of its proper divisors (614838048).

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

349938912 is a wasteful number, since it uses less digits than its factorization.

349938912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2088 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 349938912 is about 18706.6542171496. The cubic root of 349938912 is about 704.6888703080.

The spelling of 349938912 in words is "three hundred forty-nine million, nine hundred thirty-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 59 62 93 96 118 124 177 186 236 248 354 372 472 496 708 744 944 992 1416 1488 1829 1888 1993 2832 2976 3658 3986 5487 5664 5979 7316 7972 10974 11958 14632 15944 21948 23916 29264 31888 43896 47832 58528 61783 63776 87792 95664 117587 123566 175584 185349 191328 235174 247132 352761 370698 470348 494264 705522 741396 940696 988528 1411044 1482792 1881392 1977056 2822088 2965584 3645197 3762784 5644176 5931168 7290394 10935591 11288352 14580788 21871182 29161576 43742364 58323152 87484728 116646304 174969456 349938912