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544400425 = 52374313687
BaseRepresentation
bin100000011100101…
…110010000101001
31101221101101222201
4200130232100221
52103331303200
6130004220201
716330220152
oct4034562051
91357341881
10544400425
1125a333108
1213239a661
1388a2c83a
1452432929
1532bd8c6a
hex2072e429

544400425 has 24 divisors (see below), whose sum is σ = 709476416. Its totient is φ = 413864640.

The previous prime is 544400411. The next prime is 544400429. The reversal of 544400425 is 524004445.

It is a de Polignac number, because none of the positive numbers 2k-544400425 is a prime.

It is a super-3 number, since 3×5444004253 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 544400393 and 544400402.

It is not an unprimeable number, because it can be changed into a prime (544400429) 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, 32932 + ... + 46618.

Almost surely, 2544400425 is an apocalyptic number.

It is an amenable number.

544400425 is a deficient number, since it is larger than the sum of its proper divisors (165075991).

544400425 is a wasteful number, since it uses less digits than its factorization.

544400425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777 (or 13772 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 544400425 is about 23332.3900404566. The cubic root of 544400425 is about 816.5312649784.

The spelling of 544400425 in words is "five hundred forty-four million, four hundred thousand, four hundred twenty-five".

Divisors: 1 5 25 37 43 185 215 925 1075 1591 7955 13687 39775 68435 342175 506419 588541 2532095 2942705 12660475 14713525 21776017 108880085 544400425