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38228424 = 23313122527
BaseRepresentation
bin1001000111010…
…1000111001000
32122221012112120
42101311013020
534241302144
63443211240
7642636063
oct221650710
978835476
1038228424
111a640643
1210976b20
137bc6390
1451118da
153551e19
hex24751c8

38228424 has 32 divisors (see below), whose sum is σ = 102923520. Its totient is φ = 11762496.

The previous prime is 38228417. The next prime is 38228429. The reversal of 38228424 is 42482283.

It is a super-2 number, since 2×382284242 = 2922824803047552, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (38228429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60952 + ... + 61575.

It is an arithmetic number, because the mean of its divisors is an integer number (3216360).

Almost surely, 238228424 is an apocalyptic number.

It is an amenable number.

38228424 is an abundant number, since it is smaller than the sum of its proper divisors (64695096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38228424 is a wasteful number, since it uses less digits than its factorization.

38228424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122549 (or 122545 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

The square root of 38228424 is about 6182.9138761590. The cubic root of 38228424 is about 336.8698408734.

It can be divided in two parts, 3822 and 8424, that added together give a triangular number (12246 = T156).

The spelling of 38228424 in words is "thirty-eight million, two hundred twenty-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 122527 245054 367581 490108 735162 980216 1470324 1592851 2940648 3185702 4778553 6371404 9557106 12742808 19114212 38228424