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242607280 = 2453032591
BaseRepresentation
bin11100111010111…
…10010010110000
3121220111201121211
432131132102300
5444101413110
640023525504
76004061566
oct1635362260
9556451554
10242607280
11114a44493
12692b9894
133b354806
1424313a36
151647398a
hexe75e4b0

242607280 has 20 divisors (see below), whose sum is σ = 564062112. Its totient is φ = 97042880.

The previous prime is 242607269. The next prime is 242607283. The reversal of 242607280 is 82706242.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (242607283) 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, 1516216 + ... + 1516375.

Almost surely, 2242607280 is an apocalyptic number.

242607280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242607280 is an abundant number, since it is smaller than the sum of its proper divisors (321454832).

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

242607280 is a wasteful number, since it uses less digits than its factorization.

242607280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032604 (or 3032598 counting only the distinct ones).

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

The square root of 242607280 is about 15575.8556747294. The cubic root of 242607280 is about 623.6887967172.

The spelling of 242607280 in words is "two hundred forty-two million, six hundred seven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3032591 6065182 12130364 15162955 24260728 30325910 48521456 60651820 121303640 242607280