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387414 = 23221523
BaseRepresentation
bin1011110100101010110
3201200102200
41132211112
544344124
612145330
73202326
oct1364526
9650380
10387414
11245085
12168246
13107451
14a1286
1579bc9
hex5e956

387414 has 12 divisors (see below), whose sum is σ = 839436. Its totient is φ = 129132.

The previous prime is 387403. The next prime is 387433. The reversal of 387414 is 414783.

It is an alternating number because its digits alternate between odd and even.

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 5 ways as a sum of consecutive naturals, for example, 10744 + ... + 10779.

It is an arithmetic number, because the mean of its divisors is an integer number (69953).

2387414 is an apocalyptic number.

387414 is an abundant number, since it is smaller than the sum of its proper divisors (452022).

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

387414 is a wasteful number, since it uses less digits than its factorization.

387414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21531 (or 21528 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 387414 is about 622.4258992041. The cubic root of 387414 is about 72.8995929911.

The spelling of 387414 in words is "three hundred eighty-seven thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 21523 43046 64569 129138 193707 387414