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29253121 = 163197911
BaseRepresentation
bin110111110010…
…1111000000001
32001001012201221
41233211320001
524442044441
62522555041
7503435032
oct157457001
961035657
1029253121
1115570337
129968a81
1360a3051
143c56a89
15287c8d1
hex1be5e01

29253121 has 8 divisors (see below), whose sum is σ = 29614464. Its totient is φ = 28894320.

The previous prime is 29253067. The next prime is 29253127. The reversal of 29253121 is 12135292.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29253121 - 223 = 20864513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29253127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31656 + ... + 32566.

It is an arithmetic number, because the mean of its divisors is an integer number (3701808).

Almost surely, 229253121 is an apocalyptic number.

It is an amenable number.

29253121 is a deficient number, since it is larger than the sum of its proper divisors (361343).

29253121 is a wasteful number, since it uses less digits than its factorization.

29253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its digits is 1080, while the sum is 25.

The square root of 29253121 is about 5408.6154420517. The cubic root of 29253121 is about 308.1229656026.

The spelling of 29253121 in words is "twenty-nine million, two hundred fifty-three thousand, one hundred twenty-one".

Divisors: 1 163 197 911 32111 148493 179467 29253121