Search a number
-
+
3642243 = 3111937157
BaseRepresentation
bin1101111001001110000011
320212001012220
431321032003
51413022433
6210022123
742646533
oct15711603
96761186
103642243
112068520
121277943
139a6a97
146ab4c3
154be2b3
hex379383

3642243 has 32 divisors (see below), whose sum is σ = 5763840. Its totient is φ = 2021760.

The previous prime is 3642241. The next prime is 3642251. The reversal of 3642243 is 3422463.

It is a happy number.

It is not a de Polignac number, because 3642243 - 21 = 3642241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642241) 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, 23121 + ... + 23277.

It is an arithmetic number, because the mean of its divisors is an integer number (180120).

Almost surely, 23642243 is an apocalyptic number.

3642243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3642243 is a deficient number, since it is larger than the sum of its proper divisors (2121597).

3642243 is a wasteful number, since it uses less digits than its factorization.

3642243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

The product of its digits is 3456, while the sum is 24.

The square root of 3642243 is about 1908.4661380281. The cubic root of 3642243 is about 153.8590237375.

It can be divided in two parts, 3 and 642243, that added together give a palindrome (642246).

The spelling of 3642243 in words is "three million, six hundred forty-two thousand, two hundred forty-three".

Divisors: 1 3 11 19 33 37 57 111 157 209 407 471 627 703 1221 1727 2109 2983 5181 5809 7733 8949 17427 23199 32813 63899 98439 110371 191697 331113 1214081 3642243