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42048646 = 2231078543
BaseRepresentation
bin1010000001100…
…1110010000110
32221010021220021
42200121302012
541231024041
64101125354
71020256543
oct240316206
987107807
1042048646
112180a852
12120b985a
138933173
145827bca
153a58cd1
hex2819c86

42048646 has 16 divisors (see below), whose sum is σ = 66438144. Its totient is φ = 19919944.

The previous prime is 42048641. The next prime is 42048647. The reversal of 42048646 is 64684024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42048641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (4152384).

Almost surely, 242048646 is an apocalyptic number.

42048646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42048646 is a deficient number, since it is larger than the sum of its proper divisors (24389498).

42048646 is a wasteful number, since it uses less digits than its factorization.

42048646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 42048646 is about 6484.4927326661. The cubic root of 42048646 is about 347.7368149253.

The spelling of 42048646 in words is "forty-two million, forty-eight thousand, six hundred forty-six".

Divisors: 1 2 23 46 107 214 2461 4922 8543 17086 196489 392978 914101 1828202 21024323 42048646