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29130704 = 241820669
BaseRepresentation
bin110111100011…
…1111111010000
32000210222210222
41233013333100
524424140304
62520212212
7502415111
oct157077720
960728728
1029130704
1115497369
12990a068
13605c405
143c24208
1528564be
hex1bc7fd0

29130704 has 10 divisors (see below), whose sum is σ = 56440770. Its totient is φ = 14565344.

The previous prime is 29130701. The next prime is 29130709. The reversal of 29130704 is 40703192.

It can be written as a sum of positive squares in only one way, i.e., 20720704 + 8410000 = 4552^2 + 2900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29130701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910319 + ... + 910350.

It is an arithmetic number, because the mean of its divisors is an integer number (5644077).

Almost surely, 229130704 is an apocalyptic number.

It is an amenable number.

29130704 is a deficient number, since it is larger than the sum of its proper divisors (27310066).

29130704 is a wasteful number, since it uses less digits than its factorization.

29130704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820677 (or 1820671 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 29130704 is about 5397.2867257540. The cubic root of 29130704 is about 307.6925587947.

Adding to 29130704 its reverse (40703192), we get a palindrome (69833896).

The spelling of 29130704 in words is "twenty-nine million, one hundred thirty thousand, seven hundred four".

Divisors: 1 2 4 8 16 1820669 3641338 7282676 14565352 29130704