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2742000 = 24353457
BaseRepresentation
bin1010011101011011110000
312011022022120
422131123300
51200221000
6134434240
732210112
oct12353360
95138276
102742000
111603118
12b02980
137500b1
145153b2
153926a0
hex29d6f0

2742000 has 80 divisors (see below), whose sum is σ = 8859552. Its totient is φ = 729600.

The previous prime is 2741993. The next prime is 2742007. The reversal of 2742000 is 2472.

It is an interprime number because it is at equal distance from previous prime (2741993) and next prime (2742007).

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

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5772 + ... + 6228.

22742000 is an apocalyptic number.

2742000 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 2742000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4429776).

2742000 is an abundant number, since it is smaller than the sum of its proper divisors (6117552).

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

2742000 is a wasteful number, since it uses less digits than its factorization.

2742000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 2742000 is about 1655.8985476170. The cubic root of 2742000 is about 139.9659781275.

Adding to 2742000 its reverse (2472), we get a palindrome (2744472).

The spelling of 2742000 in words is "two million, seven hundred forty-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 457 500 600 750 914 1000 1200 1371 1500 1828 2000 2285 2742 3000 3656 4570 5484 6000 6855 7312 9140 10968 11425 13710 18280 21936 22850 27420 34275 36560 45700 54840 57125 68550 91400 109680 114250 137100 171375 182800 228500 274200 342750 457000 548400 685500 914000 1371000 2742000