Base | Representation |
---|---|
bin | 1001000111101… |
… | …1001110110100 |
3 | 2122222110221000 |
4 | 2101323032310 |
5 | 34243102432 |
6 | 3443523300 |
7 | 643102134 |
oct | 221731664 |
9 | 78873830 |
10 | 38253492 |
11 | 1a658462 |
12 | 10989530 |
13 | 7c04904 |
14 | 511aac4 |
15 | 355957c |
hex | 247b3b4 |
38253492 has 96 divisors (see below), whose sum is σ = 104146560. Its totient is φ = 12130560.
The previous prime is 38253469. The next prime is 38253497. The reversal of 38253492 is 29435283.
38253492 is a `hidden beast` number, since 38 + 2 + 534 + 92 = 666.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
Its product of digits (51840) is a multiple of the sum of its prime factors (270).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38253497) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234603 + ... + 234765.
It is an arithmetic number, because the mean of its divisors is an integer number (1084860).
Almost surely, 238253492 is an apocalyptic number.
38253492 is the 3912-nd heptagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38253492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52073280).
38253492 is an abundant number, since it is smaller than the sum of its proper divisors (65893068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38253492 is a wasteful number, since it uses less digits than its factorization.
38253492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270 (or 262 counting only the distinct ones).
The product of its digits is 51840, while the sum is 36.
The square root of 38253492 is about 6184.9407434510. The cubic root of 38253492 is about 336.9434580681.
The spelling of 38253492 in words is "thirty-eight million, two hundred fifty-three thousand, four hundred ninety-two".
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