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45312047 = 1123179099
BaseRepresentation
bin1010110011011…
…0100000101111
310011021002102222
42230312200233
543044441142
64255105555
71060101044
oct254664057
9104232388
1045312047
1123639680
12132122bb
139506681
1460371cb
153ea0bd2
hex2b3682f

45312047 has 8 divisors (see below), whose sum is σ = 51580800. Its totient is φ = 39401560.

The previous prime is 45312041. The next prime is 45312053. The reversal of 45312047 is 74021354.

It is an interprime number because it is at equal distance from previous prime (45312041) and next prime (45312053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45312047 - 216 = 45246511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45312041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89297 + ... + 89802.

It is an arithmetic number, because the mean of its divisors is an integer number (6447600).

Almost surely, 245312047 is an apocalyptic number.

45312047 is a deficient number, since it is larger than the sum of its proper divisors (6268753).

45312047 is a wasteful number, since it uses less digits than its factorization.

45312047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179133.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45312047 is about 6731.4223608388. The cubic root of 45312047 is about 356.5095987402.

The spelling of 45312047 in words is "forty-five million, three hundred twelve thousand, forty-seven".

Divisors: 1 11 23 253 179099 1970089 4119277 45312047