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120055849 = 109572
BaseRepresentation
bin1110010011111…
…10100000101001
322100220110122221
413021332200221
5221213241344
615525114041
72655313024
oct711764051
9270813587
10120055849
116184a811
1234258921
131bb46484
1411d321bb
15a817184
hex727e829

120055849 has 3 divisors (see below), whose sum is σ = 120066807. Its totient is φ = 120044892.

The previous prime is 120055847. The next prime is 120055879. The reversal of 120055849 is 948550021.

The square root of 120055849 is 10957.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 45319824 = 8645^2 + 6732^2 .

It is not a de Polignac number, because 120055849 - 21 = 120055847 is a prime.

It is a super-2 number, since 2×1200558492 = 28826813758221602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120055847) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5479 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (40022269).

Almost surely, 2120055849 is an apocalyptic number.

120055849 is the 10957-th square number.

120055849 is the 5479-th centered octagonal number.

It is an amenable number.

120055849 is a deficient number, since it is larger than the sum of its proper divisors (10958).

120055849 is an frugal number, since it uses more digits than its factorization.

120055849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21914 (or 10957 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The cubic root of 120055849 is about 493.3189227083.

Multiplying 120055849 by its product of nonzero digits (14400), we get a square (1728804225600 = 13148402).

The spelling of 120055849 in words is "one hundred twenty million, fifty-five thousand, eight hundred forty-nine".

Divisors: 1 10957 120055849