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348047140 = 22577931469
BaseRepresentation
bin10100101111101…
…100011100100100
3220020220121220211
4110233230130210
51203100002030
654311505204
711424231460
oct2457543444
9806817824
10348047140
11169510a71
1298688204
135715136c
143431d4a0
152085012a
hex14bec724

348047140 has 48 divisors (see below), whose sum is σ = 845913600. Its totient is φ = 117816192.

The previous prime is 348047101. The next prime is 348047159. The reversal of 348047140 is 41740843.

It is a super-2 number, since 2×3480471402 = 242273623324359200, which contains 22 as substring.

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, 4675 + ... + 26794.

It is an arithmetic number, because the mean of its divisors is an integer number (17623200).

Almost surely, 2348047140 is an apocalyptic number.

It is an amenable number.

348047140 is an abundant number, since it is smaller than the sum of its proper divisors (497866460).

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

348047140 is a wasteful number, since it uses less digits than its factorization.

348047140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31564 (or 31562 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 348047140 is about 18656.0215480150. The cubic root of 348047140 is about 703.4167242877.

Adding to 348047140 its reverse (41740843), we get a palindrome (389787983).

The spelling of 348047140 in words is "three hundred forty-eight million, forty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 79 140 158 316 395 553 790 1106 1580 2212 2765 5530 11060 31469 62938 125876 157345 220283 314690 440566 629380 881132 1101415 2202830 2486051 4405660 4972102 9944204 12430255 17402357 24860510 34804714 49721020 69609428 87011785 174023570 348047140