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4869945 = 325313491
BaseRepresentation
bin10010100100111100111001
3100011102022100
4102210330321
52221314240
6252214013
756252043
oct22447471
910142270
104869945
112826953
12176a309
131016832
1490aa93
15662e30
hex4a4f39

4869945 has 24 divisors (see below), whose sum is σ = 8716032. Its totient is φ = 2512800.

The previous prime is 4869929. The next prime is 4869959. The reversal of 4869945 is 5499684.

It is a happy number.

4869945 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4869945 - 24 = 4869929 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4869945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (363168).

Almost surely, 24869945 is an apocalyptic number.

4869945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4869945 is a deficient number, since it is larger than the sum of its proper divisors (3846087).

4869945 is a wasteful number, since it uses less digits than its factorization.

4869945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533 (or 3530 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 4869945 is about 2206.7951875967. The cubic root of 4869945 is about 169.5019447919.

The spelling of 4869945 in words is "four million, eight hundred sixty-nine thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 3491 10473 17455 31419 52365 108221 157095 324663 541105 973989 1623315 4869945