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29956542 = 23721159157
BaseRepresentation
bin111001001000…
…1100110111110
32002100221122120
41302101212332
530132102132
62550023410
7512424600
oct162214676
962327576
1029956542
1115a00880
12a047b66
13628b285
143d9b170
15296b02c
hex1c919be

29956542 has 96 divisors (see below), whose sum is σ = 77811840. Its totient is φ = 7600320.

The previous prime is 29956529. The next prime is 29956547. The reversal of 29956542 is 24565992.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 29956494 and 29956503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29956547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190728 + ... + 190884.

It is an arithmetic number, because the mean of its divisors is an integer number (810540).

Almost surely, 229956542 is an apocalyptic number.

29956542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 29956542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38905920).

29956542 is an abundant number, since it is smaller than the sum of its proper divisors (47855298).

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

29956542 is a wasteful number, since it uses less digits than its factorization.

29956542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 239 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 29956542 is about 5473.2569828211. The cubic root of 29956542 is about 310.5731401885.

The spelling of 29956542 in words is "twenty-nine million, nine hundred fifty-six thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 49 59 66 77 98 118 147 154 157 177 231 294 314 354 413 462 471 539 649 826 942 1078 1099 1239 1298 1617 1727 1947 2198 2478 2891 3234 3297 3454 3894 4543 5181 5782 6594 7693 8673 9086 9263 10362 12089 13629 15386 17346 18526 23079 24178 27258 27789 31801 36267 46158 55578 63602 64841 72534 84623 95403 101893 129682 169246 190806 194523 203786 253869 305679 389046 453887 507738 611358 713251 907774 1361661 1426502 2139753 2723322 4279506 4992757 9985514 14978271 29956542