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349482720 = 25356710867
BaseRepresentation
bin10100110101001…
…010111011100000
3220100121120011110
4110311022323200
51203431421340
654402343320
711442361026
oct2465127340
9810546143
10349482720
1116a3015a4
129905ab40
1357534912
14345b4716
1520a35680
hex14d4aee0

349482720 has 96 divisors (see below), whose sum is σ = 1117404288. Its totient is φ = 91795968.

The previous prime is 349482697. The next prime is 349482733. The reversal of 349482720 is 27284943.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26727 + ... + 37593.

It is an arithmetic number, because the mean of its divisors is an integer number (11639628).

Almost surely, 2349482720 is an apocalyptic number.

349482720 is a gapful number since it is divisible by the number (30) 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 349482720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558702144).

349482720 is an abundant number, since it is smaller than the sum of its proper divisors (767921568).

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

349482720 is a wasteful number, since it uses less digits than its factorization.

349482720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952 (or 10944 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 349482720 is about 18694.4569324707. The cubic root of 349482720 is about 704.3825185327.

The spelling of 349482720 in words is "three hundred forty-nine million, four hundred eighty-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 67 80 96 120 134 160 201 240 268 335 402 480 536 670 804 1005 1072 1340 1608 2010 2144 2680 3216 4020 5360 6432 8040 10720 10867 16080 21734 32160 32601 43468 54335 65202 86936 108670 130404 163005 173872 217340 260808 326010 347744 434680 521616 652020 728089 869360 1043232 1304040 1456178 1738720 2184267 2608080 2912356 3640445 4368534 5216160 5824712 7280890 8737068 10921335 11649424 14561780 17474136 21842670 23298848 29123560 34948272 43685340 58247120 69896544 87370680 116494240 174741360 349482720