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54315980 = 2254166239
BaseRepresentation
bin1100111100110…
…0101111001100
310210012112111222
43033030233030
5102401102410
65220102512
71226451425
oct317145714
9123175458
1054315980
1128729444
1216234a38
13b339a44
1472dc64c
154b7d955
hex33ccbcc

54315980 has 24 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 21196160.

The previous prime is 54315971. The next prime is 54315983. The reversal of 54315980 is 8951345.

It is a self number, because there is not a number n which added to its sum of digits gives 54315980.

It is not an unprimeable number, because it can be changed into a prime (54315983) 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, 32300 + ... + 33939.

It is an arithmetic number, because the mean of its divisors is an integer number (4868640).

Almost surely, 254315980 is an apocalyptic number.

It is an amenable number.

54315980 is an abundant number, since it is smaller than the sum of its proper divisors (62531380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54315980 is a wasteful number, since it uses less digits than its factorization.

54315980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66289 (or 66287 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 54315980 is about 7369.9375845390. The cubic root of 54315980 is about 378.7121221111.

It can be divided in two parts, 5431 and 5980, that added together give a palindrome (11411).

The spelling of 54315980 in words is "fifty-four million, three hundred fifteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 66239 132478 264956 331195 662390 1324780 2715799 5431598 10863196 13578995 27157990 54315980