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118225045 = 51011931213
BaseRepresentation
bin1110000101111…
…11100010010101
322020110110021101
413002333202111
5220231200140
615421550101
72633616301
oct702774225
9266413241
10118225045
116080a254
1233715331
131b655063
14119b6d01
15a5a499a
hex70bf895

118225045 has 16 divisors (see below), whose sum is σ = 144135792. Its totient is φ = 93081600.

The previous prime is 118225043. The next prime is 118225061. The reversal of 118225045 is 540522811.

It can be written as a sum of positive squares in 8 ways, for example, as 4866436 + 113358609 = 2206^2 + 10647^2 .

It is not a de Polignac number, because 118225045 - 21 = 118225043 is a prime.

It is a super-2 number, since 2×1182250452 = 27954322530504050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118225043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96859 + ... + 98071.

It is an arithmetic number, because the mean of its divisors is an integer number (9008487).

Almost surely, 2118225045 is an apocalyptic number.

It is an amenable number.

118225045 is a deficient number, since it is larger than the sum of its proper divisors (25910747).

118225045 is a wasteful number, since it uses less digits than its factorization.

118225045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 118225045 is about 10873.1340927996. The cubic root of 118225045 is about 490.7984275798.

Adding to 118225045 its reverse (540522811), we get a palindrome (658747856).

The spelling of 118225045 in words is "one hundred eighteen million, two hundred twenty-five thousand, forty-five".

Divisors: 1 5 101 193 505 965 1213 6065 19493 97465 122513 234109 612565 1170545 23645009 118225045