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54333993 = 3721093391
BaseRepresentation
bin1100111101000…
…1001000101001
310210020110020010
43033101020221
5102402141433
65220322133
71226555100
oct317211051
9123213203
1054333993
1128740a2a
1216243349
13b344cbc
147305037
154b83e63
hex33d1229

54333993 has 24 divisors (see below), whose sum is σ = 85071360. Its totient is φ = 30754080.

The previous prime is 54333991. The next prime is 54333997. The reversal of 54333993 is 39933345.

It is a happy number.

54333993 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 54333993 - 21 = 54333991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54333991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14328 + ... + 17718.

It is an arithmetic number, because the mean of its divisors is an integer number (3544640).

Almost surely, 254333993 is an apocalyptic number.

It is an amenable number.

54333993 is a deficient number, since it is larger than the sum of its proper divisors (30737367).

54333993 is a wasteful number, since it uses less digits than its factorization.

54333993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3510 counting only the distinct ones).

The product of its digits is 131220, while the sum is 39.

The square root of 54333993 is about 7371.1595424329. The cubic root of 54333993 is about 378.7539820296.

The spelling of 54333993 in words is "fifty-four million, three hundred thirty-three thousand, nine hundred ninety-three".

Divisors: 1 3 7 21 49 109 147 327 763 2289 3391 5341 10173 16023 23737 71211 166159 369619 498477 1108857 2587333 7761999 18111331 54333993