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545744925 = 335211312371
BaseRepresentation
bin100000100001110…
…110100000011101
31102000220201022000
4200201312200131
52104202314200
6130053112513
716344520035
oct4041664035
91360821260
10545744925
11260071270
12132928739
13890b07bb
14526a28c5
1532da2300
hex2087681d

545744925 has 96 divisors (see below), whose sum is σ = 1129451520. Its totient is φ = 255960000.

The previous prime is 545744917. The next prime is 545744929. The reversal of 545744925 is 529447545.

545744925 is a `hidden beast` number, since 54 + 574 + 4 + 9 + 25 = 666.

It is not a de Polignac number, because 545744925 - 23 = 545744917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545744929) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228990 + ... + 231360.

It is an arithmetic number, because the mean of its divisors is an integer number (11765120).

Almost surely, 2545744925 is an apocalyptic number.

545744925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545744925 is an abundant number, since it is smaller than the sum of its proper divisors (583706595).

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

545744925 is a wasteful number, since it uses less digits than its factorization.

545744925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2421 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 545744925 is about 23361.1841523498. The cubic root of 545744925 is about 817.2029052577.

The spelling of 545744925 in words is "five hundred forty-five million, seven hundred forty-four thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 27 31 33 45 55 75 93 99 135 155 165 225 275 279 297 341 465 495 675 775 825 837 1023 1395 1485 1705 2325 2371 2475 3069 4185 5115 6975 7113 7425 8525 9207 11855 15345 20925 21339 25575 26081 35565 46035 59275 64017 73501 76725 78243 106695 130405 177825 220503 230175 234729 320085 367505 391215 533475 652025 661509 704187 808511 1102515 1173645 1600425 1837525 1956075 1984527 2425533 3307545 3520935 4042555 5512575 5868225 7276599 9922635 12127665 16537725 17604675 20212775 21829797 36382995 49613175 60638325 109148985 181914975 545744925