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29162121 = 312776541
BaseRepresentation
bin110111100111…
…1101010001001
32000212120220120
41233033222021
524431141441
62521013453
7502605522
oct157175211
960776816
1029162121
1115508a2a
129924289
1360707c1
143c31849
152860966
hex1bcfa89

29162121 has 8 divisors (see below), whose sum is σ = 39189504. Its totient is φ = 19288080.

The previous prime is 29162083. The next prime is 29162129. The reversal of 29162121 is 12126192.

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

It is not a de Polignac number, because 29162121 - 29 = 29161609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29162091 and 29162100.

It is not an unprimeable number, because it can be changed into a prime (29162129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37890 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (4898688).

Almost surely, 229162121 is an apocalyptic number.

It is an amenable number.

29162121 is a deficient number, since it is larger than the sum of its proper divisors (10027383).

29162121 is a wasteful number, since it uses less digits than its factorization.

29162121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76671.

The product of its digits is 432, while the sum is 24.

The square root of 29162121 is about 5400.1963853179. The cubic root of 29162121 is about 307.8031328937.

The spelling of 29162121 in words is "twenty-nine million, one hundred sixty-two thousand, one hundred twenty-one".

Divisors: 1 3 127 381 76541 229623 9720707 29162121