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5457789 = 323171913
BaseRepresentation
bin10100110100011101111101
3101021021200100
4110310131331
52344122124
6312551313
764250631
oct24643575
911237610
105457789
113098577
1219b2539
13119127c
14a20dc1
1572c1c9
hex53477d

5457789 has 12 divisors (see below), whose sum is σ = 7912476. Its totient is φ = 3625152.

The previous prime is 5457773. The next prime is 5457811. The reversal of 5457789 is 9877545.

It can be written as a sum of positive squares in 2 ways, for example, as 2377764 + 3080025 = 1542^2 + 1755^2 .

It is not a de Polignac number, because 5457789 - 24 = 5457773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (659373).

Almost surely, 25457789 is an apocalyptic number.

It is an amenable number.

5457789 is a deficient number, since it is larger than the sum of its proper divisors (2454687).

5457789 is a wasteful number, since it uses less digits than its factorization.

5457789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236 (or 2233 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 5457789 is about 2336.1911308795. The cubic root of 5457789 is about 176.0646822345.

The spelling of 5457789 in words is "five million, four hundred fifty-seven thousand, seven hundred eighty-nine".

Divisors: 1 3 9 317 951 1913 2853 5739 17217 606421 1819263 5457789