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29828245 = 55965649
BaseRepresentation
bin111000111001…
…0010010010101
32002010102122211
41301302102111
530114000440
62543153421
7511351546
oct161622225
962112584
1029828245
1115923447
129ba5871
136244a65
143d664cd
152942eea
hex1c72495

29828245 has 4 divisors (see below), whose sum is σ = 35793900. Its totient is φ = 23862592.

The previous prime is 29828243. The next prime is 29828287. The reversal of 29828245 is 54282892.

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 5788836 + 24039409 = 2406^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 29828245 - 21 = 29828243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29828198 and 29828207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29828243) 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, 2982820 + ... + 2982829.

It is an arithmetic number, because the mean of its divisors is an integer number (8948475).

Almost surely, 229828245 is an apocalyptic number.

It is an amenable number.

29828245 is a deficient number, since it is larger than the sum of its proper divisors (5965655).

29828245 is an equidigital number, since it uses as much as digits as its factorization.

29828245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965654.

The product of its digits is 92160, while the sum is 40.

The square root of 29828245 is about 5461.5240546939. The cubic root of 29828245 is about 310.1291345453.

The spelling of 29828245 in words is "twenty-nine million, eight hundred twenty-eight thousand, two hundred forty-five".

Divisors: 1 5 5965649 29828245