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553747243 = 7647122267
BaseRepresentation
bin100001000000011…
…000001100101011
31102120222021102011
4201000120030223
52113224402433
6130540420351
716502526310
oct4100301453
91376867364
10553747243
11264637555
121355476b7
138a952cba
1453786d07
15339333cd
hex2101832b

553747243 has 8 divisors (see below), whose sum is σ = 633837312. Its totient is φ = 473903016.

The previous prime is 553747219. The next prime is 553747253. The reversal of 553747243 is 342747355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553747243 - 29 = 553746731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553747196 and 553747205.

It is not an unprimeable number, because it can be changed into a prime (553747213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56605 + ... + 65662.

It is an arithmetic number, because the mean of its divisors is an integer number (79229664).

Almost surely, 2553747243 is an apocalyptic number.

553747243 is a deficient number, since it is larger than the sum of its proper divisors (80090069).

553747243 is a wasteful number, since it uses less digits than its factorization.

553747243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122921.

The product of its digits is 352800, while the sum is 40.

The square root of 553747243 is about 23531.8346713553. The cubic root of 553747243 is about 821.1777854980.

The spelling of 553747243 in words is "five hundred fifty-three million, seven hundred forty-seven thousand, two hundred forty-three".

Divisors: 1 7 647 4529 122267 855869 79106749 553747243