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29380890 = 23572112379
BaseRepresentation
bin111000000010…
…1000100011010
32001021201000010
41300011010122
530010142030
62525422350
7504506400
oct160050432
961251003
1029380890
1115648330
129a0a9b6
136119256
143c8b470
1528a56b0
hex1c0511a

29380890 has 192 divisors, whose sum is σ = 94556160. Its totient is φ = 5765760.

The previous prime is 29380889. The next prime is 29380903. The reversal of 29380890 is 9808392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 371871 + ... + 371949.

It is an arithmetic number, because the mean of its divisors is an integer number (492480).

Almost surely, 229380890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29380890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47278080).

29380890 is an abundant number, since it is smaller than the sum of its proper divisors (65175270).

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

29380890 is a wasteful number, since it uses less digits than its factorization.

29380890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 29380890 is about 5420.4141908160. The cubic root of 29380890 is about 308.5709107992.

The spelling of 29380890 in words is "twenty-nine million, three hundred eighty thousand, eight hundred ninety".