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54572730 = 2357125621
BaseRepresentation
bin1101000000101…
…1011010111010
310210200120201020
43100023122322
5102432311410
65225403310
71231601112
oct320133272
9123616636
1054572730
1128894333
1216339536
13b3c9874
147368042
154bcea70
hex340b6ba

54572730 has 32 divisors (see below), whose sum is σ = 132824448. Its totient is φ = 14347200.

The previous prime is 54572723. The next prime is 54572747. The reversal of 54572730 is 3727545.

54572730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54572691 and 54572700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10681 + ... + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (4150764).

Almost surely, 254572730 is an apocalyptic number.

54572730 is an abundant number, since it is smaller than the sum of its proper divisors (78251718).

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

54572730 is a wasteful number, since it uses less digits than its factorization.

54572730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25702.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 54572730 is about 7387.3357849769. The cubic root of 54572730 is about 379.3079046077.

The spelling of 54572730 in words is "fifty-four million, five hundred seventy-two thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 25621 51242 76863 128105 153726 256210 384315 768630 1819091 3638182 5457273 9095455 10914546 18190910 27286365 54572730