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29942000 = 2453111361
BaseRepresentation
bin111001000111…
…0000011110000
32002100012200222
41302032003300
530131121000
62545432212
7512334314
oct162160360
962305628
1029942000
11159a0960
12a03b668
13628477a
143d95b44
152966a85
hex1c8e0f0

29942000 has 80 divisors (see below), whose sum is σ = 79039584. Its totient is φ = 10880000.

The previous prime is 29941999. The next prime is 29942023. The reversal of 29942000 is 24992.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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, 21320 + ... + 22680.

Almost surely, 229942000 is an apocalyptic number.

29942000 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 29942000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39519792).

29942000 is an abundant number, since it is smaller than the sum of its proper divisors (49097584).

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

29942000 is a wasteful number, since it uses less digits than its factorization.

29942000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 29942000 is about 5471.9283621042. The cubic root of 29942000 is about 310.5228775379.

Adding to 29942000 its reverse (24992), we get a palindrome (29966992).

It can be divided in two parts, 2994 and 2000, that added together give a palindrome (4994).

The spelling of 29942000 in words is "twenty-nine million, nine hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 880 1000 1100 1361 1375 2000 2200 2722 2750 4400 5444 5500 6805 10888 11000 13610 14971 21776 22000 27220 29942 34025 54440 59884 68050 74855 108880 119768 136100 149710 170125 239536 272200 299420 340250 374275 544400 598840 680500 748550 1197680 1361000 1497100 1871375 2722000 2994200 3742750 5988400 7485500 14971000 29942000