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120727028 = 2230181757
BaseRepresentation
bin1110011001000…
…10010111110100
322102011120100102
413030202113310
5221401231103
615551333232
72664106562
oct714422764
9272146312
10120727028
1162169004
1234521218
131c01cb16
1412068a32
15a8eae88
hex73225f4

120727028 has 6 divisors (see below), whose sum is σ = 211272306. Its totient is φ = 60363512.

The previous prime is 120727027. The next prime is 120727031. The reversal of 120727028 is 820727021.

It can be written as a sum of positive squares in only one way, i.e., 115519504 + 5207524 = 10748^2 + 2282^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120727027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15090875 + ... + 15090882.

It is an arithmetic number, because the mean of its divisors is an integer number (35212051).

Almost surely, 2120727028 is an apocalyptic number.

It is an amenable number.

120727028 is a deficient number, since it is larger than the sum of its proper divisors (90545278).

120727028 is a wasteful number, since it uses less digits than its factorization.

120727028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30181761 (or 30181759 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 120727028 is about 10987.5851760066. The cubic root of 120727028 is about 494.2365239533.

The spelling of 120727028 in words is "one hundred twenty million, seven hundred twenty-seven thousand, twenty-eight".

Divisors: 1 2 4 30181757 60363514 120727028