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423948540 = 22357065809
BaseRepresentation
bin11001010001001…
…111000011111100
31002112201211001210
4121101033003330
51332012323130
6110022404420
713335334401
oct3121170374
91075654053
10423948540
111a83428a4
12b9b90710
1369aa8032
144043a2a8
15273445b0
hex1944f0fc

423948540 has 24 divisors (see below), whose sum is σ = 1187056080. Its totient is φ = 113052928.

The previous prime is 423948527. The next prime is 423948557. The reversal of 423948540 is 45849324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532845 + ... + 3532964.

It is an arithmetic number, because the mean of its divisors is an integer number (49460670).

Almost surely, 2423948540 is an apocalyptic number.

It is an amenable number.

423948540 is an abundant number, since it is smaller than the sum of its proper divisors (763107540).

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

423948540 is a wasteful number, since it uses less digits than its factorization.

423948540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065821 (or 7065819 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 423948540 is about 20590.0106847957. The cubic root of 423948540 is about 751.2267567742.

The spelling of 423948540 in words is "four hundred twenty-three million, nine hundred forty-eight thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7065809 14131618 21197427 28263236 35329045 42394854 70658090 84789708 105987135 141316180 211974270 423948540