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29082240 = 273551117
BaseRepresentation
bin110111011110…
…0001010000000
32000201112100000
41232330022000
524421112430
62515200000
7502123605
oct156741200
960645300
1029082240
1115463a10
1298a6000
136043335
143c106ac
152846e60
hex1bbc280

29082240 has 384 divisors, whose sum is σ = 120294720. Its totient is φ = 6635520.

The previous prime is 29082227. The next prime is 29082241. The reversal of 29082240 is 4228092.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29082241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1710712 + ... + 1710728.

Almost surely, 229082240 is an apocalyptic number.

29082240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29082240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60147360).

29082240 is an abundant number, since it is smaller than the sum of its proper divisors (91212480).

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

29082240 is a wasteful number, since it uses less digits than its factorization.

29082240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 29082240 is about 5392.7951935893. The cubic root of 29082240 is about 307.5218306928.

The spelling of 29082240 in words is "twenty-nine million, eighty-two thousand, two hundred forty".