Search a number
-
+
662020753 = 23210491193
BaseRepresentation
bin100111011101011…
…010001010010001
31201010201010202011
4213131122022101
52323434131003
6145405222521
722256040442
oct4735321221
91633633664
10662020753
1130a769a99
12165861a41
13a7202574
1463ccd2c9
153d1be46d
hex2775a291

662020753 has 12 divisors (see below), whose sum is σ = 693296100. Its totient is φ = 632103296.

The previous prime is 662020747. The next prime is 662020759. The reversal of 662020753 is 357020266.

662020753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (662020747) and next prime (662020759).

It can be written as a sum of positive squares in 2 ways, for example, as 486511249 + 175509504 = 22057^2 + 13248^2 .

It is not a de Polignac number, because 662020753 - 29 = 662020241 is a prime.

It is a super-3 number, since 3×6620207533 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662020759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554325 + ... + 555517.

It is an arithmetic number, because the mean of its divisors is an integer number (57774675).

Almost surely, 2662020753 is an apocalyptic number.

It is an amenable number.

662020753 is a deficient number, since it is larger than the sum of its proper divisors (31275347).

662020753 is a wasteful number, since it uses less digits than its factorization.

662020753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 662020753 is about 25729.7639515018. The cubic root of 662020753 is about 871.5464427381.

The spelling of 662020753 in words is "six hundred sixty-two million, twenty thousand, seven hundred fifty-three".

Divisors: 1 23 529 1049 1193 24127 27439 554921 631097 1251457 28783511 662020753