Base | Representation |
---|---|
bin | 1001001001001… |
… | …1001101111110 |
3 | 2200011110200220 |
4 | 2102103031332 |
5 | 34304223432 |
6 | 3450002210 |
7 | 643661442 |
oct | 222231576 |
9 | 80143626 |
10 | 38351742 |
11 | 1a715260 |
12 | 10a16366 |
13 | 7c3a550 |
14 | 5144822 |
15 | 357872c |
hex | 249337e |
38351742 has 32 divisors (see below), whose sum is σ = 90115200. Its totient is φ = 10727520.
The previous prime is 38351713. The next prime is 38351749. The reversal of 38351742 is 24715383.
It is a super-2 number, since 2×383517422 = 2941712228869128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38351749) 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, 21492 + ... + 23207.
It is an arithmetic number, because the mean of its divisors is an integer number (2816100).
Almost surely, 238351742 is an apocalyptic number.
38351742 is an abundant number, since it is smaller than the sum of its proper divisors (51763458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38351742 is a wasteful number, since it uses less digits than its factorization.
38351742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44728.
The product of its digits is 20160, while the sum is 33.
The square root of 38351742 is about 6192.8783291778. The cubic root of 38351742 is about 337.2316791903.
It can be divided in two parts, 38351 and 742, that added together give a palindrome (39093).
The spelling of 38351742 in words is "thirty-eight million, three hundred fifty-one thousand, seven hundred forty-two".
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