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38472233 = 151254783
BaseRepresentation
bin1001001011000…
…0101000101001
32200101120222112
42102300220221
534322102413
63452332105
7645002642
oct222605051
980346875
1038472233
111a797838
1210a74035
137c80347
1451766c9
15359e2a8
hex24b0a29

38472233 has 4 divisors (see below), whose sum is σ = 38727168. Its totient is φ = 38217300.

The previous prime is 38472221. The next prime is 38472277. The reversal of 38472233 is 33227483.

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: 33227483 = 73455171.

It is a cyclic number.

It is not a de Polignac number, because 38472233 - 28 = 38471977 is a prime.

It is a super-2 number, since 2×384722332 = 2960225424012578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38472233.

It is not an unprimeable number, because it can be changed into a prime (38472433) 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, 127241 + ... + 127542.

It is an arithmetic number, because the mean of its divisors is an integer number (9681792).

Almost surely, 238472233 is an apocalyptic number.

It is an amenable number.

38472233 is a deficient number, since it is larger than the sum of its proper divisors (254935).

38472233 is a wasteful number, since it uses less digits than its factorization.

38472233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254934.

The product of its digits is 24192, while the sum is 32.

The square root of 38472233 is about 6202.5988907876. The cubic root of 38472233 is about 337.5844741452.

The spelling of 38472233 in words is "thirty-eight million, four hundred seventy-two thousand, two hundred thirty-three".

Divisors: 1 151 254783 38472233