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4542620 = 225227131
BaseRepresentation
bin10001010101000010011100
322112210022012
4101111002130
52130330440
6241210352
753416535
oct21250234
98483265
104542620
112622a35
1216309b8
13c30854
1486368c
155eae65
hex45509c

4542620 has 12 divisors (see below), whose sum is σ = 9539544. Its totient is φ = 1817040.

The previous prime is 4542611. The next prime is 4542631. The reversal of 4542620 is 262454.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113546 + ... + 113585.

It is an arithmetic number, because the mean of its divisors is an integer number (794962).

Almost surely, 24542620 is an apocalyptic number.

It is an amenable number.

4542620 is an abundant number, since it is smaller than the sum of its proper divisors (4996924).

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

4542620 is a wasteful number, since it uses less digits than its factorization.

4542620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227140 (or 227138 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4542620 is about 2131.3423000541. The cubic root of 4542620 is about 165.6159408834.

The spelling of 4542620 in words is "four million, five hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 227131 454262 908524 1135655 2271310 4542620