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53898913 = 233137487
BaseRepresentation
bin1100110110011…
…0111010100001
310202102100102001
43031212322201
5102244231123
65203124001
71223063455
oct315467241
9122370361
1053898913
1128474062
1216073601
13b221c63
147230665
154aea0ad
hex3366ea1

53898913 has 8 divisors (see below), whose sum is σ = 56429568. Its totient is φ = 51383904.

The previous prime is 53898883. The next prime is 53898931. The reversal of 53898913 is 31989835.

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 53898913 - 225 = 20344481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53898983) 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, 3456 + ... + 10942.

It is an arithmetic number, because the mean of its divisors is an integer number (7053696).

Almost surely, 253898913 is an apocalyptic number.

It is an amenable number.

53898913 is a deficient number, since it is larger than the sum of its proper divisors (2530655).

53898913 is a wasteful number, since it uses less digits than its factorization.

53898913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its digits is 233280, while the sum is 46.

The square root of 53898913 is about 7341.5879072582. The cubic root of 53898913 is about 377.7403127559.

The spelling of 53898913 in words is "fifty-three million, eight hundred ninety-eight thousand, nine hundred thirteen".

Divisors: 1 23 313 7199 7487 172201 2343431 53898913