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15142000 = 245367113
BaseRepresentation
bin111001110000…
…110001110000
31001111021220211
4321300301300
512334021000
61300313504
7242463526
oct71606160
931437824
1015142000
118602455
1250a2894
1331a2183
142022316
1514e17ba
hexe70c70

15142000 has 80 divisors (see below), whose sum is σ = 37488672. Its totient is φ = 5913600.

The previous prime is 15141983. The next prime is 15142013. The reversal of 15142000 is 24151.

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

It is a zygodrome in base 2.

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, 133944 + ... + 134056.

Almost surely, 215142000 is an apocalyptic number.

15142000 is a gapful number since it is divisible by the number (10) 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 15142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18744336).

15142000 is an abundant number, since it is smaller than the sum of its proper divisors (22346672).

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

15142000 is a wasteful number, since it uses less digits than its factorization.

15142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 15142000 is about 3891.2722855128. The cubic root of 15142000 is about 247.3969914504.

Adding to 15142000 its reverse (24151), we get a palindrome (15166151).

The spelling of 15142000 in words is "fifteen million, one hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 67 80 100 113 125 134 200 226 250 268 335 400 452 500 536 565 670 904 1000 1072 1130 1340 1675 1808 2000 2260 2680 2825 3350 4520 5360 5650 6700 7571 8375 9040 11300 13400 14125 15142 16750 22600 26800 28250 30284 33500 37855 45200 56500 60568 67000 75710 113000 121136 134000 151420 189275 226000 302840 378550 605680 757100 946375 1514200 1892750 3028400 3785500 7571000 15142000