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38413445 = 576716381
BaseRepresentation
bin1001001010001…
…0010010000101
32200021121100012
42102202102011
534313212240
63451200005
7644336360
oct222422205
980247305
1038413445
111a757654
1210a46005
137c5c665
14515d0d7
15358bb65
hex24a2485

38413445 has 16 divisors (see below), whose sum is σ = 53470848. Its totient is φ = 25945920.

The previous prime is 38413423. The next prime is 38413447. The reversal of 38413445 is 54431483.

It is a de Polignac number, because none of the positive numbers 2k-38413445 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38413447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5846 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (3341928).

Almost surely, 238413445 is an apocalyptic number.

38413445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38413445 is a deficient number, since it is larger than the sum of its proper divisors (15057403).

38413445 is a wasteful number, since it uses less digits than its factorization.

38413445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16460.

The product of its digits is 23040, while the sum is 32.

The square root of 38413445 is about 6197.8580977625. The cubic root of 38413445 is about 337.4124363601.

The spelling of 38413445 in words is "thirty-eight million, four hundred thirteen thousand, four hundred forty-five".

Divisors: 1 5 7 35 67 335 469 2345 16381 81905 114667 573335 1097527 5487635 7682689 38413445