Search a number
-
+
29830272 = 273131593
BaseRepresentation
bin111000111001…
…0110010000000
32002010112102220
41301302302000
530114032042
62543211040
7511360503
oct161626200
962115386
1029830272
1115924a1a
129ba6a80
136245964
143d6713a
1529438ec
hex1c72c80

29830272 has 64 divisors (see below), whose sum is σ = 79976160. Its totient is φ = 9850880.

The previous prime is 29830271. The next prime is 29830301. The reversal of 29830272 is 27203892.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (29830271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50008 + ... + 50600.

Almost surely, 229830272 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 29830272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39988080).

29830272 is an abundant number, since it is smaller than the sum of its proper divisors (50145888).

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

29830272 is a wasteful number, since it uses less digits than its factorization.

29830272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 29830272 is about 5461.7096224534. The cubic root of 29830272 is about 310.1361594029.

The spelling of 29830272 in words is "twenty-nine million, eight hundred thirty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 131 192 262 384 393 524 593 786 1048 1186 1572 1779 2096 2372 3144 3558 4192 4744 6288 7116 8384 9488 12576 14232 16768 18976 25152 28464 37952 50304 56928 75904 77683 113856 155366 227712 233049 310732 466098 621464 932196 1242928 1864392 2485856 3728784 4971712 7457568 9943424 14915136 29830272