Search a number
-
+
4538245 = 519233167
BaseRepresentation
bin10001010011111110000101
322112120022011
4101103332011
52130210440
6241134221
753401015
oct21237605
98476264
104538245
11261a718
12162a371
13c2b86a
14861c45
155e99ea
hex453f85

4538245 has 32 divisors (see below), whose sum is σ = 6266880. Its totient is φ = 3136320.

The previous prime is 4538243. The next prime is 4538251. The reversal of 4538245 is 5428354.

It is not a de Polignac number, because 4538245 - 21 = 4538243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 48 + 54 + 3 + 8 + 222 + 49 + 56 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538243) 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, 67702 + ... + 67768.

It is an arithmetic number, because the mean of its divisors is an integer number (195840).

Almost surely, 24538245 is an apocalyptic number.

It is an amenable number.

4538245 is a deficient number, since it is larger than the sum of its proper divisors (1728635).

4538245 is a wasteful number, since it uses less digits than its factorization.

4538245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its digits is 19200, while the sum is 31.

The square root of 4538245 is about 2130.3157043030. The cubic root of 4538245 is about 165.5627555354.

The spelling of 4538245 in words is "four million, five hundred thirty-eight thousand, two hundred forty-five".

Divisors: 1 5 19 23 31 67 95 115 155 335 437 589 713 1273 1541 2077 2185 2945 3565 6365 7705 10385 13547 29279 39463 47771 67735 146395 197315 238855 907649 4538245