Search a number
-
+
23553541 = 112393097
BaseRepresentation
bin101100111011…
…0011000000101
31122022122101101
41121312120011
522012203131
62200500101
7404126134
oct131663005
948278341
1023553541
1112328140
127a7a631
134b58a0b
1431b191b
152103c61
hex1676605

23553541 has 8 divisors (see below), whose sum is σ = 26812224. Its totient is φ = 20481120.

The previous prime is 23553529. The next prime is 23553553. The reversal of 23553541 is 14535532.

It is an interprime number because it is at equal distance from previous prime (23553529) and next prime (23553553).

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

It is not a de Polignac number, because 23553541 - 29 = 23553029 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 (23553581) 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, 46296 + ... + 46801.

It is an arithmetic number, because the mean of its divisors is an integer number (3351528).

Almost surely, 223553541 is an apocalyptic number.

It is an amenable number.

23553541 is a deficient number, since it is larger than the sum of its proper divisors (3258683).

23553541 is a wasteful number, since it uses less digits than its factorization.

23553541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93131.

The product of its digits is 9000, while the sum is 28.

The square root of 23553541 is about 4853.1990480507. The cubic root of 23553541 is about 286.6500812170.

Subtracting from 23553541 its reverse (14535532), we obtain a square (9018009 = 30032).

The spelling of 23553541 in words is "twenty-three million, five hundred fifty-three thousand, five hundred forty-one".

Divisors: 1 11 23 253 93097 1024067 2141231 23553541