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5430645 = 345112353
BaseRepresentation
bin10100101101110101110101
3101012220110000
4110231311311
52342240040
6312221513
764105533
oct24556565
911186400
105430645
11307a140
12199a899
131181acc
14a15153
15724130
hex52dd75

5430645 has 80 divisors (see below), whose sum is σ = 11290752. Its totient is φ = 2471040.

The previous prime is 5430641. The next prime is 5430653. The reversal of 5430645 is 5460345.

It is not a de Polignac number, because 5430645 - 22 = 5430641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430641) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 102439 + ... + 102491.

Almost surely, 25430645 is an apocalyptic number.

5430645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5430645 is an abundant number, since it is smaller than the sum of its proper divisors (5860107).

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

5430645 is a wasteful number, since it uses less digits than its factorization.

5430645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5430645 is about 2330.3744334334. The cubic root of 5430645 is about 175.7723144791.

The spelling of 5430645 in words is "five million, four hundred thirty thousand, six hundred forty-five".

Divisors: 1 3 5 9 11 15 23 27 33 45 53 55 69 81 99 115 135 159 165 207 253 265 297 345 405 477 495 583 621 759 795 891 1035 1219 1265 1431 1485 1749 1863 2277 2385 2915 3105 3657 3795 4293 4455 5247 6095 6831 7155 8745 9315 10971 11385 13409 15741 18285 20493 21465 26235 32913 34155 40227 47223 54855 67045 78705 98739 102465 120681 164565 201135 236115 362043 493695 603405 1086129 1810215 5430645