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45620409 = 347323549
BaseRepresentation
bin1010111000000…
…1110010111001
310011211202102210
42232001302321
543134323114
64305445333
71062524052
oct256016271
9104752383
1045620409
112382a31a
1213340849
1395b3b33
1460b7729
154012259
hex2b81cb9

45620409 has 8 divisors (see below), whose sum is σ = 62121600. Its totient is φ = 29766416.

The previous prime is 45620383. The next prime is 45620423. The reversal of 45620409 is 90402654.

45620409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45620409 - 29 = 45619897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45620429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161634 + ... + 161915.

It is an arithmetic number, because the mean of its divisors is an integer number (7765200).

Almost surely, 245620409 is an apocalyptic number.

It is an amenable number.

45620409 is a deficient number, since it is larger than the sum of its proper divisors (16501191).

45620409 is a wasteful number, since it uses less digits than its factorization.

45620409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323599.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 45620409 is about 6754.2881934368. The cubic root of 45620409 is about 357.3164891869.

The spelling of 45620409 in words is "forty-five million, six hundred twenty thousand, four hundred nine".

Divisors: 1 3 47 141 323549 970647 15206803 45620409