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45815029 = 133524233
BaseRepresentation
bin1010111011000…
…1010011110101
310012012122101221
42232301103311
543212040104
64313550341
71064264341
oct256612365
9105178357
1045815029
1123952567
12134153b1
1396515b0
146128621
15404ec54
hex2bb14f5

45815029 has 4 divisors (see below), whose sum is σ = 49339276. Its totient is φ = 42290784.

The previous prime is 45815027. The next prime is 45815089. The reversal of 45815029 is 92051854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92051854 = 246025927.

It can be written as a sum of positive squares in 2 ways, for example, as 3591025 + 42224004 = 1895^2 + 6498^2 .

It is a cyclic number.

It is not a de Polignac number, because 45815029 - 21 = 45815027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45814985 and 45815003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45815027) 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, 1762104 + ... + 1762129.

It is an arithmetic number, because the mean of its divisors is an integer number (12334819).

Almost surely, 245815029 is an apocalyptic number.

It is an amenable number.

45815029 is a deficient number, since it is larger than the sum of its proper divisors (3524247).

45815029 is a wasteful number, since it uses less digits than its factorization.

45815029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524246.

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

The square root of 45815029 is about 6768.6800042549. The cubic root of 45815029 is about 357.8238811010.

The spelling of 45815029 in words is "forty-five million, eight hundred fifteen thousand, twenty-nine".

Divisors: 1 13 3524233 45815029