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29744928 = 2533173199
BaseRepresentation
bin111000101110…
…1111100100000
32001222012101000
41301131330200
530103314203
62541312000
7510553623
oct161357440
961865330
1029744928
1115876894
129b65600
136215b65
143d43dba
1529284a3
hex1c5df20

29744928 has 96 divisors (see below), whose sum is σ = 87696000. Its totient is φ = 9808128.

The previous prime is 29744887. The next prime is 29744941. The reversal of 29744928 is 82944792.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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, 149373 + ... + 149571.

It is an arithmetic number, because the mean of its divisors is an integer number (913500).

Almost surely, 229744928 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 29744928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43848000).

29744928 is an abundant number, since it is smaller than the sum of its proper divisors (57951072).

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

29744928 is a wasteful number, since it uses less digits than its factorization.

29744928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 377 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 29744928 is about 5453.8910880215. The cubic root of 29744928 is about 309.8401117910.

The spelling of 29744928 in words is "twenty-nine million, seven hundred forty-four thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 173 199 216 288 346 398 432 519 597 692 796 864 1038 1194 1384 1557 1592 1791 2076 2388 2768 3114 3184 3582 4152 4671 4776 5373 5536 6228 6368 7164 8304 9342 9552 10746 12456 14328 16608 18684 19104 21492 24912 28656 34427 37368 42984 49824 57312 68854 74736 85968 103281 137708 149472 171936 206562 275416 309843 413124 550832 619686 826248 929529 1101664 1239372 1652496 1859058 2478744 3304992 3718116 4957488 7436232 9914976 14872464 29744928