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29451996 = 22327731601
BaseRepresentation
bin111000001011…
…0011011011100
32001102022112200
41300112123130
530014430441
62531131500
7505223610
oct160263334
961368480
1029451996
11156967a2
129a43b90
136142722
143ca9340
1528bb7b6
hex1c166dc

29451996 has 72 divisors (see below), whose sum is σ = 86302944. Its totient is φ = 8294400.

The previous prime is 29451979. The next prime is 29451997. The reversal of 29451996 is 69915492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29451997) 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 23 ways as a sum of consecutive naturals, for example, 17596 + ... + 19196.

It is an arithmetic number, because the mean of its divisors is an integer number (1198652).

Almost surely, 229451996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29451996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43151472).

29451996 is an abundant number, since it is smaller than the sum of its proper divisors (56850948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29451996 is a wasteful number, since it uses less digits than its factorization.

29451996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1686 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 29451996 is about 5426.9693199796. The cubic root of 29451996 is about 308.8196389874.

The spelling of 29451996 in words is "twenty-nine million, four hundred fifty-one thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 73 84 126 146 219 252 292 438 511 657 876 1022 1314 1533 1601 2044 2628 3066 3202 4599 4803 6132 6404 9198 9606 11207 14409 18396 19212 22414 28818 33621 44828 57636 67242 100863 116873 134484 201726 233746 350619 403452 467492 701238 818111 1051857 1402476 1636222 2103714 2454333 3272444 4207428 4908666 7362999 9817332 14725998 29451996