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29069190 = 23251731867
BaseRepresentation
bin110111011100…
…0111110000110
32000200212102200
41232320332012
524420203230
62515015330
7502040553
oct156707606
960625380
1029069190
1115455127
12989a546
13603a407
143c09a2a
152843160
hex1bb8f86

29069190 has 48 divisors (see below), whose sum is σ = 76057488. Its totient is φ = 7702848.

The previous prime is 29069177. The next prime is 29069191. The reversal of 29069190 is 9196092.

It is a super-2 number, since 2×290691902 = 1690035614512200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29069191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14637 + ... + 16503.

It is an arithmetic number, because the mean of its divisors is an integer number (1584531).

Almost surely, 229069190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29069190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38028744).

29069190 is an abundant number, since it is smaller than the sum of its proper divisors (46988298).

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

29069190 is a wasteful number, since it uses less digits than its factorization.

29069190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 29069190 is about 5391.5851101508. The cubic root of 29069190 is about 307.4758259798.

The spelling of 29069190 in words is "twenty-nine million, sixty-nine thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 173 346 519 865 1038 1557 1730 1867 2595 3114 3734 5190 5601 7785 9335 11202 15570 16803 18670 28005 33606 56010 84015 168030 322991 645982 968973 1614955 1937946 2906919 3229910 4844865 5813838 9689730 14534595 29069190