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4953861 = 321124549
BaseRepresentation
bin10010111001011100000101
3100022200102100
4102321130011
52232010421
6254102313
760051513
oct22713405
910280370
104953861
112883a00
1217aa999
131045aa3
1492d4b3
1567cc26
hex4b9705

4953861 has 18 divisors (see below), whose sum is σ = 7866950. Its totient is φ = 3001680.

The previous prime is 4953833. The next prime is 4953869. The reversal of 4953861 is 1683594.

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 352836 = 2145^2 + 594^2 .

It is not a de Polignac number, because 4953861 - 26 = 4953797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4953869) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1186 + ... + 3363.

Almost surely, 24953861 is an apocalyptic number.

It is an amenable number.

4953861 is a deficient number, since it is larger than the sum of its proper divisors (2913089).

4953861 is a wasteful number, since it uses less digits than its factorization.

4953861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4563 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4953861 is about 2225.7270722171. The cubic root of 4953861 is about 170.4699912500.

It can be divided in two parts, 495 and 3861, that added together give a square (4356 = 662).

The spelling of 4953861 in words is "four million, nine hundred fifty-three thousand, eight hundred sixty-one".

Divisors: 1 3 9 11 33 99 121 363 1089 4549 13647 40941 50039 150117 450351 550429 1651287 4953861