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54672121 = 716994597
BaseRepresentation
bin1101000010001…
…1101011111001
310210212122001101
43100203223321
5102444001441
65231451401
71232463640
oct320435371
9123778041
1054672121
1128951a79
1216386b61
13b432b8a
147392357
154bee231
hex3423af9

54672121 has 8 divisors (see below), whose sum is σ = 62532800. Its totient is φ = 46824048.

The previous prime is 54672113. The next prime is 54672133. The reversal of 54672121 is 12127645.

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 54672121 - 23 = 54672113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54672121.

It is not an unprimeable number, because it can be changed into a prime (54672151) 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, 9595 + ... + 14191.

It is an arithmetic number, because the mean of its divisors is an integer number (7816600).

Almost surely, 254672121 is an apocalyptic number.

It is an amenable number.

54672121 is a deficient number, since it is larger than the sum of its proper divisors (7860679).

54672121 is a wasteful number, since it uses less digits than its factorization.

54672121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303.

The product of its digits is 3360, while the sum is 28.

The square root of 54672121 is about 7394.0598455787. The cubic root of 54672121 is about 379.5380374235.

Adding to 54672121 its reverse (12127645), we get a palindrome (66799766).

The spelling of 54672121 in words is "fifty-four million, six hundred seventy-two thousand, one hundred twenty-one".

Divisors: 1 7 1699 4597 11893 32179 7810303 54672121