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54403489 = 711716637
BaseRepresentation
bin1100111110001…
…0000110100001
310210100222120001
43033202012201
5102411402424
65222020001
71230264520
oct317420641
9123328501
1054403489
1128789168
1216277601
13b36a81a
1473224b7
154b99844
hex33e21a1

54403489 has 8 divisors (see below), whose sum is σ = 62237888. Its totient is φ = 46584720.

The previous prime is 54403421. The next prime is 54403499. The reversal of 54403489 is 98430445.

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

It is not a de Polignac number, because 54403489 - 211 = 54401441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54403409) 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, 4879 + ... + 11515.

It is an arithmetic number, because the mean of its divisors is an integer number (7779736).

Almost surely, 254403489 is an apocalyptic number.

It is an amenable number.

54403489 is a deficient number, since it is larger than the sum of its proper divisors (7834399).

54403489 is a wasteful number, since it uses less digits than its factorization.

54403489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 54403489 is about 7375.8720840318. The cubic root of 54403489 is about 378.9153952377.

The spelling of 54403489 in words is "fifty-four million, four hundred three thousand, four hundred eighty-nine".

Divisors: 1 7 1171 6637 8197 46459 7771927 54403489