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345000272 = 2438356299
BaseRepresentation
bin10100100100000…
…100100101010000
3220001011211101212
4110210010211100
51201310002042
654122315252
711356311461
oct2444044520
9801154355
10345000272
1116781a8a1
1297658b28
1356625596
1433b68d68
152044c482
hex14904950

345000272 has 20 divisors (see below), whose sum is σ = 670195200. Its totient is φ = 172046688.

The previous prime is 345000259. The next prime is 345000277. The reversal of 345000272 is 272000543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345000277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22022 + ... + 34277.

It is an arithmetic number, because the mean of its divisors is an integer number (33509760).

Almost surely, 2345000272 is an apocalyptic number.

It is an amenable number.

345000272 is a deficient number, since it is larger than the sum of its proper divisors (325194928).

345000272 is a wasteful number, since it uses less digits than its factorization.

345000272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56690 (or 56684 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 345000272 is about 18574.1829429991. The cubic root of 345000272 is about 701.3580926681.

The spelling of 345000272 in words is "three hundred forty-five million, two hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 8 16 383 766 1532 3064 6128 56299 112598 225196 450392 900784 21562517 43125034 86250068 172500136 345000272