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272420906 = 2909114983
BaseRepresentation
bin10000001111001…
…101000000101010
3200222121102020012
4100033031000222
51024214432111
643010531522
76515353022
oct2017150052
9628542205
10272420906
1112a85794a
1277296ba2
1344592a04
1428274a82
1518db248b
hex103cd02a

272420906 has 8 divisors (see below), whose sum is σ = 408703584. Its totient is φ = 136186380.

The previous prime is 272420893. The next prime is 272420909. The reversal of 272420906 is 609024272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (272420909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10691 + ... + 25673.

It is an arithmetic number, because the mean of its divisors is an integer number (51087948).

Almost surely, 2272420906 is an apocalyptic number.

272420906 is a deficient number, since it is larger than the sum of its proper divisors (136282678).

272420906 is a wasteful number, since it uses less digits than its factorization.

272420906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 272420906 is about 16505.1781571724. The cubic root of 272420906 is about 648.2563968477.

The spelling of 272420906 in words is "two hundred seventy-two million, four hundred twenty thousand, nine hundred six".

Divisors: 1 2 9091 14983 18182 29966 136210453 272420906