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29900244 = 22311317307
BaseRepresentation
bin111001000001…
…1110111010100
32002021002102110
41302003313110
530123301434
62544511020
7512101503
oct162036724
962232373
1029900244
1115972550
12a01b470
13626b76a
143d8483a
1529594e9
hex1c83dd4

29900244 has 48 divisors (see below), whose sum is σ = 78575616. Its totient is φ = 8767200.

The previous prime is 29900237. The next prime is 29900249. The reversal of 29900244 is 44200992.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29900249) 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, 439 + ... + 7745.

It is an arithmetic number, because the mean of its divisors is an integer number (1636992).

Almost surely, 229900244 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 29900244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39287808).

29900244 is an abundant number, since it is smaller than the sum of its proper divisors (48675372).

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

29900244 is a wasteful number, since it uses less digits than its factorization.

29900244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356 (or 7354 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 29900244 is about 5468.1115570186. Note that the first 3 decimals coincide. The cubic root of 29900244 is about 310.3784624984.

The spelling of 29900244 in words is "twenty-nine million, nine hundred thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 341 372 682 1023 1364 2046 4092 7307 14614 21921 29228 43842 80377 87684 160754 226517 241131 321508 453034 482262 679551 906068 964524 1359102 2491687 2718204 4983374 7475061 9966748 14950122 29900244