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4642740 = 2232525793
BaseRepresentation
bin10001101101011110110100
322201212122100
4101231132310
52142031430
6243302100
754314454
oct21553664
98655570
104642740
112691183
12167a930
13c672ab
1488bd64
1561a960
hex46d7b4

4642740 has 36 divisors (see below), whose sum is σ = 14083524. Its totient is φ = 1238016.

The previous prime is 4642733. The next prime is 4642741. The reversal of 4642740 is 472464.

4642740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 910116 + 3732624 = 954^2 + 1932^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12717 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (391209).

Almost surely, 24642740 is an apocalyptic number.

It is an amenable number.

4642740 is an abundant number, since it is smaller than the sum of its proper divisors (9440784).

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

4642740 is a wasteful number, since it uses less digits than its factorization.

4642740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25808 (or 25803 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 4642740 is about 2154.7018355216. The cubic root of 4642740 is about 166.8238428384.

Subtracting from 4642740 its product of nonzero digits (5376), we obtain a palindrome (4637364).

The spelling of 4642740 in words is "four million, six hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 25793 51586 77379 103172 128965 154758 232137 257930 309516 386895 464274 515860 773790 928548 1160685 1547580 2321370 4642740