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29980160 = 29572239
BaseRepresentation
bin111001001011…
…1011000000000
32002102011001022
41302113120000
530133331120
62550325012
7512553500
oct162273000
962364038
1029980160
1115a175a1
12a059768
136298c52
143da5a00
152973025
hex1c97600

29980160 has 120 divisors (see below), whose sum is σ = 83967840. Its totient is φ = 10235904.

The previous prime is 29980127. The next prime is 29980183. The reversal of 29980160 is 6108992.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 29980160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125321 + ... + 125559.

It is an arithmetic number, because the mean of its divisors is an integer number (699732).

Almost surely, 229980160 is an apocalyptic number.

29980160 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 29980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41983920).

29980160 is an abundant number, since it is smaller than the sum of its proper divisors (53987680).

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

29980160 is an equidigital number, since it uses as much as digits as its factorization.

29980160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 29980160 is about 5475.4141395880. The cubic root of 29980160 is about 310.6547382757.

The spelling of 29980160 in words is "twenty-nine million, nine hundred eighty thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 239 245 256 280 320 392 448 478 490 512 560 640 784 896 956 980 1120 1195 1280 1568 1673 1792 1912 1960 2240 2390 2560 3136 3346 3584 3824 3920 4480 4780 6272 6692 7648 7840 8365 8960 9560 11711 12544 13384 15296 15680 16730 17920 19120 23422 25088 26768 30592 31360 33460 38240 46844 53536 58555 61184 62720 66920 76480 93688 107072 117110 122368 125440 133840 152960 187376 214144 234220 267680 305920 374752 428288 468440 535360 611840 749504 856576 936880 1070720 1499008 1873760 2141440 2998016 3747520 4282880 5996032 7495040 14990080 29980160