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4920690 = 235164023
BaseRepresentation
bin10010110001010101110010
3100020222220210
4102301111302
52224430230
6253244550
756553015
oct22612562
910228823
104920690
112860a95
121793756
131033968
1492137c
15672eb0
hex4b1572

4920690 has 16 divisors (see below), whose sum is σ = 11809728. Its totient is φ = 1312176.

The previous prime is 4920683. The next prime is 4920703. The reversal of 4920690 is 960294.

It is a super-2 number, since 2×49206902 = 48426380152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 164023 = 4920690 / (4 + 9 + 2 + 0 + 6 + 9 + 0).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81982 + ... + 82041.

It is an arithmetic number, because the mean of its divisors is an integer number (738108).

Almost surely, 24920690 is an apocalyptic number.

4920690 is an abundant number, since it is smaller than the sum of its proper divisors (6889038).

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

4920690 is a wasteful number, since it uses less digits than its factorization.

4920690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164033.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4920690 is about 2218.2628338409. The cubic root of 4920690 is about 170.0886504183.

The spelling of 4920690 in words is "four million, nine hundred twenty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 164023 328046 492069 820115 984138 1640230 2460345 4920690