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38223307 = 192011753
BaseRepresentation
bin1001000111001…
…1110111001011
32122220221112001
42101303313023
534241121212
63443131431
7642615133
oct221636713
978827461
1038223307
111a637811
1210973b77
137bc3c55
14510dac3
153550657
hex2473dcb

38223307 has 4 divisors (see below), whose sum is σ = 40235080. Its totient is φ = 36211536.

The previous prime is 38223277. The next prime is 38223329. The reversal of 38223307 is 70332283.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38223307 - 27 = 38223179 is a prime.

It is a super-2 number, since 2×382233072 = 2922042396032498, which contains 22 as substring.

It is the 6183-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38223007) by changing a digit.

It is a nontrivial repunit in base 6182.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005858 + ... + 1005895.

It is an arithmetic number, because the mean of its divisors is an integer number (10058770).

Almost surely, 238223307 is an apocalyptic number.

38223307 is a deficient number, since it is larger than the sum of its proper divisors (2011773).

38223307 is a wasteful number, since it uses less digits than its factorization.

38223307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011772.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 38223307 is about 6182.5000606551. The cubic root of 38223307 is about 336.8548098248.

The spelling of 38223307 in words is "thirty-eight million, two hundred twenty-three thousand, three hundred seven".

Divisors: 1 19 2011753 38223307