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1987414 = 211136949
BaseRepresentation
bin111100101001101010110
310201222012221
413211031112
51002044124
6110332554
722615132
oct7451526
93658187
101987414
1111381a0
127ba15a
135477b0
1439a3c2
15293ce4
hex1e5356

1987414 has 16 divisors (see below), whose sum is σ = 3502800. Its totient is φ = 833760.

The previous prime is 1987411. The next prime is 1987429. The reversal of 1987414 is 4147891.

It is a self number, because there is not a number n which added to its sum of digits gives 1987414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1987411) 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, 3189 + ... + 3760.

It is an arithmetic number, because the mean of its divisors is an integer number (218925).

21987414 is an apocalyptic number.

1987414 is a deficient number, since it is larger than the sum of its proper divisors (1515386).

1987414 is a wasteful number, since it uses less digits than its factorization.

1987414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975.

The product of its digits is 8064, while the sum is 34.

The square root of 1987414 is about 1409.7567166004. The cubic root of 1987414 is about 125.7272592131.

It can be divided in two parts, 1987 and 414, that added together give a 4-th power (2401 = 74).

The spelling of 1987414 in words is "one million, nine hundred eighty-seven thousand, four hundred fourteen".

Divisors: 1 2 11 13 22 26 143 286 6949 13898 76439 90337 152878 180674 993707 1987414