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29900480 = 265414353
BaseRepresentation
bin111001000001…
…1111011000000
32002021002202012
41302003323000
530123303410
62544512052
7512102261
oct162037300
962232665
1029900480
1115972745
12a01b628
13626b8bc
143d84968
152959605
hex1c83ec0

29900480 has 112 divisors (see below), whose sum is σ = 76041504. Its totient is φ = 11182080.

The previous prime is 29900459. The next prime is 29900489. The reversal of 29900480 is 8400992.

29900480 = 4162 + 4172 + ... + 5442.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (29900489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564134 + ... + 564186.

It is an arithmetic number, because the mean of its divisors is an integer number (678942).

Almost surely, 229900480 is an apocalyptic number.

29900480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29900480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38020752).

29900480 is an abundant number, since it is smaller than the sum of its proper divisors (46141024).

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

29900480 is a wasteful number, since it uses less digits than its factorization.

29900480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 29900480 is about 5468.1331366381. The cubic root of 29900480 is about 310.3792790929.

The spelling of 29900480 in words is "twenty-nine million, nine hundred thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 43 53 64 80 82 86 106 160 164 172 205 212 215 265 320 328 344 410 424 430 530 656 688 820 848 860 1060 1312 1376 1640 1696 1720 1763 2120 2173 2279 2624 2752 3280 3392 3440 3526 4240 4346 4558 6560 6880 7052 8480 8692 8815 9116 10865 11395 13120 13760 14104 16960 17384 17630 18232 21730 22790 28208 34768 35260 36464 43460 45580 56416 69536 70520 72928 86920 91160 93439 112832 139072 141040 145856 173840 182320 186878 282080 347680 364640 373756 467195 564160 695360 729280 747512 934390 1495024 1868780 2990048 3737560 5980096 7475120 14950240 29900480