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4988029 = 29172001
BaseRepresentation
bin10011000001110001111101
3100101102021211
4103001301331
52234104104
6254524421
760253234
oct23016175
910342254
104988029
1128a7642
121806711
1310584c7
1493bb1b
15687e04
hex4c1c7d

4988029 has 4 divisors (see below), whose sum is σ = 5160060. Its totient is φ = 4816000.

The previous prime is 4988023. The next prime is 4988057. The reversal of 4988029 is 9208894.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9208894 = 24604447.

It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 2647129 = 1530^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988029 - 27 = 4987901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4987982 and 4988000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4988023) 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, 85972 + ... + 86029.

It is an arithmetic number, because the mean of its divisors is an integer number (1290015).

Almost surely, 24988029 is an apocalyptic number.

It is an amenable number.

4988029 is a deficient number, since it is larger than the sum of its proper divisors (172031).

4988029 is a wasteful number, since it uses less digits than its factorization.

4988029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172030.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4988029 is about 2233.3895764062. The cubic root of 4988029 is about 170.8610181320.

The spelling of 4988029 in words is "four million, nine hundred eighty-eight thousand, twenty-nine".

Divisors: 1 29 172001 4988029