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38228106 = 2375915427
BaseRepresentation
bin1001000111010…
…1000010001010
32122221012002210
42101311002022
534241244411
63443205550
7642635130
oct221650212
978835083
1038228106
111a640384
12109768b6
137bc61a7
145111750
153551ca6
hex247508a

38228106 has 32 divisors (see below), whose sum is σ = 88865280. Its totient is φ = 10736496.

The previous prime is 38228101. The next prime is 38228111. The reversal of 38228106 is 60182283.

It is an interprime number because it is at equal distance from previous prime (38228101) and next prime (38228111).

It is a super-2 number, since 2×382281062 = 2922776176694472, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38228101) 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, 5236 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (2777040).

Almost surely, 238228106 is an apocalyptic number.

38228106 is an abundant number, since it is smaller than the sum of its proper divisors (50637174).

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

38228106 is a wasteful number, since it uses less digits than its factorization.

38228106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 38228106 is about 6182.8881600754. Note that the first 3 decimals coincide. The cubic root of 38228106 is about 336.8689067961.

The spelling of 38228106 in words is "thirty-eight million, two hundred twenty-eight thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 354 413 826 1239 2478 15427 30854 46281 92562 107989 215978 323967 647934 910193 1820386 2730579 5461158 6371351 12742702 19114053 38228106