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54640401 = 343467907
BaseRepresentation
bin1101000001101…
…1111100010001
310210211000112120
43100123330101
5102441443101
65231044453
71232302314
oct320337421
9123730476
1054640401
1128930162
1216370729
13b4215ca
14738497b
154be4b36
hex341bf11

54640401 has 16 divisors (see below), whose sum is σ = 74790144. Its totient is φ = 35464464.

The previous prime is 54640381. The next prime is 54640451. The reversal of 54640401 is 10404645.

54640401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54640401 - 26 = 54640337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54640451) by changing a digit.

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, 59790 + ... + 60696.

It is an arithmetic number, because the mean of its divisors is an integer number (4674384).

Almost surely, 254640401 is an apocalyptic number.

It is an amenable number.

54640401 is a deficient number, since it is larger than the sum of its proper divisors (20149743).

54640401 is a wasteful number, since it uses less digits than its factorization.

54640401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 54640401 is about 7391.9145693115. The cubic root of 54640401 is about 379.4646223364.

The spelling of 54640401 in words is "fifty-four million, six hundred forty thousand, four hundred one".

Divisors: 1 3 43 129 467 907 1401 2721 20081 39001 60243 117003 423569 1270707 18213467 54640401