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4272929 = 19224891
BaseRepresentation
bin10000010011001100100001
322001002100122
4100103030201
52043213204
6231330025
751214343
oct20231441
98032318
104272929
112459351
121520915
13b67b7b
147d3293
155960be
hex413321

4272929 has 4 divisors (see below), whose sum is σ = 4497840. Its totient is φ = 4048020.

The previous prime is 4272907. The next prime is 4272941. The reversal of 4272929 is 9292724.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4272929 is a prime.

It is a d-powerful number, because it can be written as 411 + 27 + 75 + 29 + 92 + 211 + 95 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4272949) 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, 112427 + ... + 112464.

It is an arithmetic number, because the mean of its divisors is an integer number (1124460).

Almost surely, 24272929 is an apocalyptic number.

It is an amenable number.

4272929 is a deficient number, since it is larger than the sum of its proper divisors (224911).

4272929 is a wasteful number, since it uses less digits than its factorization.

4272929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224910.

The product of its digits is 18144, while the sum is 35.

The square root of 4272929 is about 2067.1064317059. The cubic root of 4272929 is about 162.2713660418.

The spelling of 4272929 in words is "four million, two hundred seventy-two thousand, nine hundred twenty-nine".

Divisors: 1 19 224891 4272929