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4508140 = 2257132477
BaseRepresentation
bin10001001100100111101100
322111001000011
4101030213230
52123230030
6240343004
753214160
oct21144754
98431004
104508140
1125aa03a
121614a64
13c1ac50
14854ca0
155e0b2a
hex44c9ec

4508140 has 48 divisors (see below), whose sum is σ = 11656512. Its totient is φ = 1426176.

The previous prime is 4508129. The next prime is 4508197. The reversal of 4508140 is 418054.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (242844).

Almost surely, 24508140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4508140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5828256).

4508140 is an abundant number, since it is smaller than the sum of its proper divisors (7148372).

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

4508140 is a wasteful number, since it uses less digits than its factorization.

4508140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2504 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4508140 is about 2123.2380931021. The cubic root of 4508140 is about 165.1958494737.

The spelling of 4508140 in words is "four million, five hundred eight thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 2477 4954 9908 12385 17339 24770 32201 34678 49540 64402 69356 86695 128804 161005 173390 225407 322010 346780 450814 644020 901628 1127035 2254070 4508140