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29734120 = 23513211271
BaseRepresentation
bin111000101101…
…1010011101000
32001221122112201
41301123103220
530102442440
62541145544
7510510253
oct161332350
961848481
1029734120
1115869759
129b5b2b4
136210c70
143d4009a
15292519a
hex1c5b4e8

29734120 has 64 divisors (see below), whose sum is σ = 72656640. Its totient is φ = 10886400.

The previous prime is 29734093. The next prime is 29734121. The reversal of 29734120 is 2143792.

It is not an unprimeable number, because it can be changed into a prime (29734121) 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, 109585 + ... + 109855.

It is an arithmetic number, because the mean of its divisors is an integer number (1135260).

Almost surely, 229734120 is an apocalyptic number.

29734120 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 29734120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36328320).

29734120 is an abundant number, since it is smaller than the sum of its proper divisors (42922520).

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

29734120 is a wasteful number, since it uses less digits than its factorization.

29734120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 29734120 is about 5452.9001457940. The cubic root of 29734120 is about 309.8025798168.

The spelling of 29734120 in words is "twenty-nine million, seven hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 211 260 271 422 520 542 844 1055 1084 1355 1688 2110 2168 2710 2743 3523 4220 5420 5486 7046 8440 10840 10972 13715 14092 17615 21944 27430 28184 35230 54860 57181 70460 109720 114362 140920 228724 285905 457448 571810 743353 1143620 1486706 2287240 2973412 3716765 5946824 7433530 14867060 29734120