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4542630 = 235532857
BaseRepresentation
bin10001010101000010100110
322112210022120
4101111002212
52130331010
6241210410
753416551
oct21250246
98483276
104542630
112622a44
121630a06
13c30861
14863698
155eae70
hex4550a6

4542630 has 32 divisors (see below), whose sum is σ = 11111904. Its totient is φ = 1188096.

The previous prime is 4542611. The next prime is 4542631. The reversal of 4542630 is 362454.

It is a d-powerful number, because it can be written as 45 + 53 + 411 + 213 + 67 + 310 + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (347247).

Almost surely, 24542630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5555952).

4542630 is an abundant number, since it is smaller than the sum of its proper divisors (6569274).

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

4542630 is a wasteful number, since it uses less digits than its factorization.

4542630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4542630 is about 2131.3446459923. The cubic root of 4542630 is about 165.6160624108.

The spelling of 4542630 in words is "four million, five hundred forty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 2857 5714 8571 14285 17142 28570 42855 85710 151421 302842 454263 757105 908526 1514210 2271315 4542630