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342747120 = 24351428113
BaseRepresentation
bin10100011011011…
…110011111110000
3212212221100122210
4110123132133300
51200220401440
654002132120
711331205512
oct2433363760
9785840583
10342747120
11166520a91
1296951040
1356016b61
143373dbb2
1520154a80
hex146de7f0

342747120 has 40 divisors (see below), whose sum is σ = 1062516816. Its totient is φ = 91399168.

The previous prime is 342747103. The next prime is 342747133. The reversal of 342747120 is 21747243.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713817 + ... + 714296.

Almost surely, 2342747120 is an apocalyptic number.

342747120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342747120 is an abundant number, since it is smaller than the sum of its proper divisors (719769696).

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

342747120 is a wasteful number, since it uses less digits than its factorization.

342747120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428129 (or 1428123 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 342747120 is about 18513.4308003676. The cubic root of 342747120 is about 699.8279304956.

The spelling of 342747120 in words is "three hundred forty-two million, seven hundred forty-seven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1428113 2856226 4284339 5712452 7140565 8568678 11424904 14281130 17137356 21421695 22849808 28562260 34274712 42843390 57124520 68549424 85686780 114249040 171373560 342747120