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4981545 = 325313571
BaseRepresentation
bin10011000000001100101001
3100101002101200
4103000030221
52233402140
6254434413
760225312
oct23001451
910332350
104981545
1128a2788
121802a09
13105557a
14939609
15686030
hex4c0329

4981545 has 24 divisors (see below), whose sum is σ = 8915712. Its totient is φ = 2570400.

The previous prime is 4981531. The next prime is 4981549. The reversal of 4981545 is 5451894.

It is not a de Polignac number, because 4981545 - 25 = 4981513 is a prime.

4981545 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981549) 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, 391 + ... + 3180.

It is an arithmetic number, because the mean of its divisors is an integer number (371488).

Almost surely, 24981545 is an apocalyptic number.

4981545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4981545 is a deficient number, since it is larger than the sum of its proper divisors (3934167).

4981545 is a wasteful number, since it uses less digits than its factorization.

4981545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613 (or 3610 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4981545 is about 2231.9374991249. The cubic root of 4981545 is about 170.7869512525.

The spelling of 4981545 in words is "four million, nine hundred eighty-one thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 3571 10713 17855 32139 53565 110701 160695 332103 553505 996309 1660515 4981545