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487229429 = 3137155317
BaseRepresentation
bin11101000010101…
…000011111110101
31020221210211010102
4131002220133311
51444212320204
6120203003445
715034244651
oct3502503765
91227724112
10487229429
11230034755
12117209585
1379c3344b
14489cda61
152cb9441e
hex1d0a87f5

487229429 has 4 divisors (see below), whose sum is σ = 487387884. Its totient is φ = 487070976.

The previous prime is 487229423. The next prime is 487229437. The reversal of 487229429 is 924922784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 486423025 + 806404 = 22055^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 487229429 - 216 = 487163893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487229423) 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, 74522 + ... + 80795.

It is an arithmetic number, because the mean of its divisors is an integer number (121846971).

Almost surely, 2487229429 is an apocalyptic number.

It is an amenable number.

487229429 is a deficient number, since it is larger than the sum of its proper divisors (158455).

487229429 is a wasteful number, since it uses less digits than its factorization.

487229429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158454.

The product of its digits is 580608, while the sum is 47.

The square root of 487229429 is about 22073.2740888161. The cubic root of 487229429 is about 786.8848261606.

The spelling of 487229429 in words is "four hundred eighty-seven million, two hundred twenty-nine thousand, four hundred twenty-nine".

Divisors: 1 3137 155317 487229429