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120620552 = 23131159813
BaseRepresentation
bin1110011000010…
…00011000001000
322101222011021212
413030020120020
5221334324202
615545152252
72663154263
oct714103010
9271864255
10120620552
11620a6008
123448b688
131bcb3510
141203bcda
15a8c9652
hex7308608

120620552 has 16 divisors (see below), whose sum is σ = 243560940. Its totient is φ = 55670976.

The previous prime is 120620509. The next prime is 120620557. The reversal of 120620552 is 255026021.

It can be written as a sum of positive squares in 2 ways, for example, as 119990116 + 630436 = 10954^2 + 794^2 .

It is not an unprimeable number, because it can be changed into a prime (120620557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579803 + ... + 580010.

Almost surely, 2120620552 is an apocalyptic number.

It is an amenable number.

120620552 is an abundant number, since it is smaller than the sum of its proper divisors (122940388).

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

120620552 is a wasteful number, since it uses less digits than its factorization.

120620552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159832 (or 1159828 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 120620552 is about 10982.7388205311. The cubic root of 120620552 is about 494.0911828274.

Adding to 120620552 its reverse (255026021), we get a palindrome (375646573).

The spelling of 120620552 in words is "one hundred twenty million, six hundred twenty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 1159813 2319626 4639252 9278504 15077569 30155138 60310276 120620552