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2087542 = 26171241
BaseRepresentation
bin111111101101001110110
310221001120101
413331221312
51013300132
6112424314
723513062
oct7755166
93831511
102087542
1111a6446
1284809a
13581242
143c4aa2
152b37e7
hex1fda76

2087542 has 16 divisors (see below), whose sum is σ = 3240864. Its totient is φ = 1008000.

The previous prime is 2087539. The next prime is 2087543. The reversal of 2087542 is 2457802.

It is a d-powerful number, because it can be written as 28 + 0 + 82 + 76 + 59 + 43 + 214 .

It is a self number, because there is not a number n which added to its sum of digits gives 2087542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8542 + ... + 8782.

It is an arithmetic number, because the mean of its divisors is an integer number (202554).

22087542 is an apocalyptic number.

2087542 is a deficient number, since it is larger than the sum of its proper divisors (1153322).

2087542 is a wasteful number, since it uses less digits than its factorization.

2087542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2087542 is about 1444.8328623062. The cubic root of 2087542 is about 127.8041846424.

It can be divided in two parts, 208 and 7542, that added together give a triangular number (7750 = T124).

The spelling of 2087542 in words is "two million, eighty-seven thousand, five hundred forty-two".

Divisors: 1 2 61 71 122 142 241 482 4331 8662 14701 17111 29402 34222 1043771 2087542