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29972088 = 23321747521
BaseRepresentation
bin111001001010…
…1011001111000
32002101201222100
41302111121320
530133101323
62550223400
7512521116
oct162253170
962351870
1029972088
1115a11523
12a054b60
136295383
143da2ab6
152970943
hex1c95678

29972088 has 96 divisors (see below), whose sum is σ = 87946560. Its totient is φ = 9185280.

The previous prime is 29972087. The next prime is 29972093. The reversal of 29972088 is 88027992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29972087) 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 23 ways as a sum of consecutive naturals, for example, 57268 + ... + 57788.

It is an arithmetic number, because the mean of its divisors is an integer number (916110).

Almost surely, 229972088 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 29972088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43973280).

29972088 is an abundant number, since it is smaller than the sum of its proper divisors (57974472).

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

29972088 is a wasteful number, since it uses less digits than its factorization.

29972088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 29972088 is about 5474.6769767722. The cubic root of 29972088 is about 310.6268550563.

The spelling of 29972088 in words is "twenty-nine million, nine hundred seventy-two thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 47 51 68 72 94 102 136 141 153 188 204 282 306 376 408 423 521 564 612 799 846 1042 1128 1224 1563 1598 1692 2084 2397 3126 3196 3384 4168 4689 4794 6252 6392 7191 8857 9378 9588 12504 14382 17714 18756 19176 24487 26571 28764 35428 37512 48974 53142 57528 70856 73461 79713 97948 106284 146922 159426 195896 212568 220383 293844 318852 416279 440766 587688 637704 832558 881532 1248837 1665116 1763064 2497674 3330232 3746511 4995348 7493022 9990696 14986044 29972088