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29914720 = 2551123739
BaseRepresentation
bin111001000011…
…1011001100000
32002021211021121
41302013121200
530124232340
62545102024
7512161633
oct162073140
962254247
1029914720
1115982410
12a027914
136275224
143d89c1a
15295d94a
hex1c87660

29914720 has 96 divisors (see below), whose sum is σ = 80559360. Its totient is φ = 10391040.

The previous prime is 29914699. The next prime is 29914727. The reversal of 29914720 is 2741992.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29914727) 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, 40111 + ... + 40849.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 229914720 is an apocalyptic number.

29914720 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 29914720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40279680).

29914720 is an abundant number, since it is smaller than the sum of its proper divisors (50644640).

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

29914720 is a wasteful number, since it uses less digits than its factorization.

29914720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 29914720 is about 5469.4350713762. The cubic root of 29914720 is about 310.4285436252.

The spelling of 29914720 in words is "twenty-nine million, nine hundred fourteen thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 23 32 40 44 46 55 80 88 92 110 115 160 176 184 220 230 253 352 368 440 460 506 736 739 880 920 1012 1265 1478 1760 1840 2024 2530 2956 3680 3695 4048 5060 5912 7390 8096 8129 10120 11824 14780 16258 16997 20240 23648 29560 32516 33994 40480 40645 59120 65032 67988 81290 84985 118240 130064 135976 162580 169970 186967 260128 271952 325160 339940 373934 543904 650320 679880 747868 934835 1300640 1359760 1495736 1869670 2719520 2991472 3739340 5982944 7478680 14957360 29914720