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45994837 = 76570691
BaseRepresentation
bin1010111101110…
…1001101010101
310012112210001111
42233131031111
543233313322
64321455021
71065643510
oct257351525
9105483044
1045994837
1123a65669
12134a1471
1396b53a5
146173d77
154088177
hex2bdd355

45994837 has 4 divisors (see below), whose sum is σ = 52565536. Its totient is φ = 39424140.

The previous prime is 45994829. The next prime is 45994867. The reversal of 45994837 is 73849954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73849954 = 236924977.

It is not a de Polignac number, because 45994837 - 23 = 45994829 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 (45994867) 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, 3285339 + ... + 3285352.

It is an arithmetic number, because the mean of its divisors is an integer number (13141384).

Almost surely, 245994837 is an apocalyptic number.

It is an amenable number.

45994837 is a deficient number, since it is larger than the sum of its proper divisors (6570699).

45994837 is an equidigital number, since it uses as much as digits as its factorization.

45994837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570698.

The product of its digits is 1088640, while the sum is 49.

The square root of 45994837 is about 6781.9493510347. The cubic root of 45994837 is about 358.2913813275.

The spelling of 45994837 in words is "forty-five million, nine hundred ninety-four thousand, eight hundred thirty-seven".

Divisors: 1 7 6570691 45994837