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120345382 = 260172691
BaseRepresentation
bin1110010110001…
…01001100100110
322101110011211101
413023011030212
5221302023012
615535230314
72660630113
oct713051446
9271404741
10120345382
1161a282a3
123437839a
131bc181b1
1411da990a
15a872d57
hex72c5326

120345382 has 4 divisors (see below), whose sum is σ = 180518076. Its totient is φ = 60172690.

The previous prime is 120345371. The next prime is 120345383. The reversal of 120345382 is 283543021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 283543021 = 1731638977.

It is a self number, because there is not a number n which added to its sum of digits gives 120345382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120345383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30086344 + ... + 30086347.

It is an arithmetic number, because the mean of its divisors is an integer number (45129519).

Almost surely, 2120345382 is an apocalyptic number.

120345382 is a deficient number, since it is larger than the sum of its proper divisors (60172694).

120345382 is an equidigital number, since it uses as much as digits as its factorization.

120345382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60172693.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 120345382 is about 10970.2042825100. The cubic root of 120345382 is about 493.7151756243.

The spelling of 120345382 in words is "one hundred twenty million, three hundred forty-five thousand, three hundred eighty-two".

Divisors: 1 2 60172691 120345382