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29698013 = 37802649
BaseRepresentation
bin111000101001…
…0011111011101
32001212211000102
41301102133131
530100314023
62540310445
7510300062
oct161223735
961784012
1029698013
1115844614
129b42425
1361ca6b7
143d30c69
152919628
hex1c527dd

29698013 has 4 divisors (see below), whose sum is σ = 30500700. Its totient is φ = 28895328.

The previous prime is 29698003. The next prime is 29698021. The reversal of 29698013 is 31089692.

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 10099684 + 19598329 = 3178^2 + 4427^2 .

It is a cyclic number.

It is not a de Polignac number, because 29698013 - 28 = 29697757 is a prime.

It is a super-2 number, since 2×296980132 = 1763943952296338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29698003) 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, 401288 + ... + 401361.

It is an arithmetic number, because the mean of its divisors is an integer number (7625175).

Almost surely, 229698013 is an apocalyptic number.

It is an amenable number.

29698013 is a deficient number, since it is larger than the sum of its proper divisors (802687).

29698013 is an equidigital number, since it uses as much as digits as its factorization.

29698013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802686.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 29698013 is about 5449.5883330762. The cubic root of 29698013 is about 309.6771282856.

The spelling of 29698013 in words is "twenty-nine million, six hundred ninety-eight thousand, thirteen".

Divisors: 1 37 802649 29698013