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1445011005 = 35476133601
BaseRepresentation
bin101011000100001…
…0001111000111101
310201201001011110010
41112020101320331
510424410323010
6355215333433
750544251034
oct12610217075
93651034403
101445011005
11681742179
12343b21279
131a04ab0c9
14d9cab71b
1586cd6620
hex56211e3d

1445011005 has 32 divisors (see below), whose sum is σ = 2399989248. Its totient is φ = 741888000.

The previous prime is 1445010991. The next prime is 1445011019. The reversal of 1445011005 is 5001105441.

It is an interprime number because it is at equal distance from previous prime (1445010991) and next prime (1445011019).

It is not a de Polignac number, because 1445011005 - 24 = 1445010989 is a prime.

It is a super-2 number, since 2×14450110052 = 4176113609142220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26205 + ... + 59805.

It is an arithmetic number, because the mean of its divisors is an integer number (74999664).

Almost surely, 21445011005 is an apocalyptic number.

1445011005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1445011005 is a deficient number, since it is larger than the sum of its proper divisors (954978243).

1445011005 is a wasteful number, since it uses less digits than its factorization.

1445011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33717.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1445011005 is about 38013.3003697390. The cubic root of 1445011005 is about 1130.5515893758.

Adding to 1445011005 its reverse (5001105441), we get a palindrome (6446116446).

The spelling of 1445011005 in words is "one billion, four hundred forty-five million, eleven thousand, five".

Divisors: 1 3 5 15 47 61 141 183 235 305 705 915 2867 8601 14335 33601 43005 100803 168005 504015 1579247 2049661 4737741 6148983 7896235 10248305 23688705 30744915 96334067 289002201 481670335 1445011005