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4464140 = 225223207
BaseRepresentation
bin10001000001111000001100
322101210122112
4101001320030
52120323030
6235403152
752641662
oct21017014
98353575
104464140
112579a7a
1215b34b8
13c03c05
14842c32
155d2a95
hex441e0c

4464140 has 12 divisors (see below), whose sum is σ = 9374736. Its totient is φ = 1785648.

The previous prime is 4464133. The next prime is 4464157. The reversal of 4464140 is 414644.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111584 + ... + 111623.

It is an arithmetic number, because the mean of its divisors is an integer number (781228).

Almost surely, 24464140 is an apocalyptic number.

It is an amenable number.

4464140 is an abundant number, since it is smaller than the sum of its proper divisors (4910596).

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

4464140 is a wasteful number, since it uses less digits than its factorization.

4464140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223216 (or 223214 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4464140 is about 2112.8511542463. The cubic root of 4464140 is about 164.6566474988.

Adding to 4464140 its reverse (414644), we get a palindrome (4878784).

The spelling of 4464140 in words is "four million, four hundred sixty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 223207 446414 892828 1116035 2232070 4464140