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4028696 = 23771941
BaseRepresentation
bin1111010111100100011000
321120200022222
433113210120
52012404241
6222203212
746146320
oct17274430
97520288
104028696
112301901
121423508
13ab0959
1476c280
15548a4b
hex3d7918

4028696 has 16 divisors (see below), whose sum is σ = 8633040. Its totient is φ = 1726560.

The previous prime is 4028693. The next prime is 4028707. The reversal of 4028696 is 6968204.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35915 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (539565).

Almost surely, 24028696 is an apocalyptic number.

It is an amenable number.

4028696 is an abundant number, since it is smaller than the sum of its proper divisors (4604344).

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

4028696 is a wasteful number, since it uses less digits than its factorization.

4028696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71954 (or 71950 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4028696 is about 2007.1611793775. The cubic root of 4028696 is about 159.1188015511.

The spelling of 4028696 in words is "four million, twenty-eight thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 71941 143882 287764 503587 575528 1007174 2014348 4028696