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29349540 = 223751161
BaseRepresentation
bin110111111110…
…1011010100100
32001020010000000
41233331122210
530003141130
62525021300
7504316113
oct157753244
961203000
1029349540
1115626820
1299b4830
136107bbc
143c7dc7a
15289b260
hex1bfd6a4

29349540 has 192 divisors, whose sum is σ = 102493440. Its totient is φ = 6998400.

The previous prime is 29349533. The next prime is 29349553. The reversal of 29349540 is 4594392.

It is a super-2 number, since 2×293495402 = 1722790996423200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 29349495 and 29349504.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 549 × 99 × 540.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 481110 + ... + 481170.

It is an arithmetic number, because the mean of its divisors is an integer number (533820).

Almost surely, 229349540 is an apocalyptic number.

29349540 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 29349540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51246720).

29349540 is an abundant number, since it is smaller than the sum of its proper divisors (73143900).

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

29349540 is a wasteful number, since it uses less digits than its factorization.

29349540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 29349540 is about 5417.5215735611. The cubic root of 29349540 is about 308.4611212866.

The spelling of 29349540 in words is "twenty-nine million, three hundred forty-nine thousand, five hundred forty".