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4625390 = 257116007
BaseRepresentation
bin10001101001001111101110
322200222211202
4101221033232
52141003030
6243045502
754213050
oct21511756
98628752
104625390
11267a140
121670892
13c5c423
148858d0
15615745
hex4693ee

4625390 has 32 divisors (see below), whose sum is σ = 10381824. Its totient is φ = 1441440.

The previous prime is 4625389. The next prime is 4625393. The reversal of 4625390 is 935264.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4625393) 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 15 ways as a sum of consecutive naturals, for example, 2234 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (324432).

Almost surely, 24625390 is an apocalyptic number.

4625390 is an abundant number, since it is smaller than the sum of its proper divisors (5756434).

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

4625390 is a wasteful number, since it uses less digits than its factorization.

4625390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4625390 is about 2150.6719880075. The cubic root of 4625390 is about 166.6157755733.

Subtracting from 4625390 its sum of digits (29), we obtain a triangular number (4625361 = T3041).

The spelling of 4625390 in words is "four million, six hundred twenty-five thousand, three hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 6007 12014 30035 42049 60070 66077 84098 132154 210245 330385 420490 462539 660770 925078 2312695 4625390