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120728094 = 2320121349
BaseRepresentation
bin1110011001000…
…10101000011110
322102011121210220
413030202220132
5221401244334
615551342210
72664112644
oct714425036
9272147726
10120728094
1162169893
1234521966
131c020456
1412069194
15a8eb449
hex7322a1e

120728094 has 8 divisors (see below), whose sum is σ = 241456200. Its totient is φ = 40242696.

The previous prime is 120728093. The next prime is 120728107. The reversal of 120728094 is 490827021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

120728094 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120728093) 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 in 3 ways as a sum of consecutive naturals, for example, 10060669 + ... + 10060680.

It is an arithmetic number, because the mean of its divisors is an integer number (30182025).

Almost surely, 2120728094 is an apocalyptic number.

120728094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120728094 is a wasteful number, since it uses less digits than its factorization.

120728094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121354.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 120728094 is about 10987.6336851936. The cubic root of 120728094 is about 494.2379786250.

The spelling of 120728094 in words is "one hundred twenty million, seven hundred twenty-eight thousand, ninety-four".

Divisors: 1 2 3 6 20121349 40242698 60364047 120728094