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380742 = 23233189
BaseRepresentation
bin1011100111101000110
3201100021120
41130331012
544140432
612054410
73144015
oct1347506
9640246
10380742
1124006a
12164406
131043bb
149ca7c
1577c2c
hex5cf46

380742 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 116160.

The previous prime is 380729. The next prime is 380753. The reversal of 380742 is 247083.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380742.

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 15 ways as a sum of consecutive naturals, for example, 4234 + ... + 4322.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2380742 is an apocalyptic number.

380742 is an abundant number, since it is smaller than the sum of its proper divisors (448698).

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

380742 is a wasteful number, since it uses less digits than its factorization.

380742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 380742 is about 617.0429482621. The cubic root of 380742 is about 72.4786778360.

The spelling of 380742 in words is "three hundred eighty thousand, seven hundred forty-two".

Divisors: 1 2 3 6 23 31 46 62 69 89 93 138 178 186 267 534 713 1426 2047 2139 2759 4094 4278 5518 6141 8277 12282 16554 63457 126914 190371 380742