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2141240 = 235199269
BaseRepresentation
bin1000001010110000111000
311000210020012
420022300320
51022004430
6113521052
724125453
oct10126070
94023205
102141240
111232822
12873188
1359c80a
143da49a
152c4695
hex20ac38

2141240 has 32 divisors (see below), whose sum is σ = 4860000. Its totient is φ = 849024.

The previous prime is 2141219. The next prime is 2141257. The reversal of 2141240 is 421412.

2141240 = T307 + T308 + ... + T346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7826 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (151875).

22141240 is an apocalyptic number.

2141240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141240 is an abundant number, since it is smaller than the sum of its proper divisors (2718760).

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

2141240 is a wasteful number, since it uses less digits than its factorization.

2141240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2141240 is about 1463.2976457304. The cubic root of 2141240 is about 128.8907594303.

Adding to 2141240 its reverse (421412), we get a palindrome (2562652).

The spelling of 2141240 in words is "two million, one hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 199 269 398 538 796 995 1076 1345 1592 1990 2152 2690 3980 5380 7960 10760 53531 107062 214124 267655 428248 535310 1070620 2141240