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29319492 = 223171011423
BaseRepresentation
bin110111111011…
…0000101000100
32001011120210010
41233312011010
530001210432
62524230220
7504132366
oct157660504
961146703
1029319492
1115606194
12999b370
1360c7317
143c72d36
1528923cc
hex1bf6144

29319492 has 48 divisors (see below), whose sum is σ = 73204992. Its totient is φ = 9100800.

The previous prime is 29319491. The next prime is 29319497. The reversal of 29319492 is 29491392.

It is a super-2 number, since 2×293194922 = 1719265222276128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29319492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29319491) 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 15 ways as a sum of consecutive naturals, for example, 19893 + ... + 21315.

It is an arithmetic number, because the mean of its divisors is an integer number (1525104).

Almost surely, 229319492 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 29319492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36602496).

29319492 is an abundant number, since it is smaller than the sum of its proper divisors (43885500).

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

29319492 is a wasteful number, since it uses less digits than its factorization.

29319492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1546 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 29319492 is about 5414.7476395489. The cubic root of 29319492 is about 308.3558180503.

The spelling of 29319492 in words is "twenty-nine million, three hundred nineteen thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 101 102 202 204 303 404 606 1212 1423 1717 2846 3434 4269 5151 5692 6868 8538 10302 17076 20604 24191 48382 72573 96764 143723 145146 287446 290292 431169 574892 862338 1724676 2443291 4886582 7329873 9773164 14659746 29319492