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4157424 = 243228871
BaseRepresentation
bin1111110110111111110000
321211012220200
433312333300
52031014144
6225035200
750223525
oct17667760
97735820
104157424
11238a597
121485b00
13b2741b
147a314c
15571c69
hex3f6ff0

4157424 has 30 divisors (see below), whose sum is σ = 11635416. Its totient is φ = 1385760.

The previous prime is 4157399. The next prime is 4157429. The reversal of 4157424 is 4247514.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14292 + ... + 14579.

Almost surely, 24157424 is an apocalyptic number.

It is an amenable number.

4157424 is an abundant number, since it is smaller than the sum of its proper divisors (7477992).

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

4157424 is a wasteful number, since it uses less digits than its factorization.

4157424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885 (or 28876 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4157424 is about 2038.9762136916. The cubic root of 4157424 is about 160.7958267277.

The spelling of 4157424 in words is "four million, one hundred fifty-seven thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 28871 57742 86613 115484 173226 230968 259839 346452 461936 519678 692904 1039356 1385808 2078712 4157424