Search a number
-
+
3730545 = 325713911
BaseRepresentation
bin1110001110110001110001
321000112100100
432032301301
51423334140
6211543013
743465140
oct16166161
97015310
103730545
1121188a5
1212baa69
13a08030
146d1757
154da530
hex38ec71

3730545 has 48 divisors (see below), whose sum is σ = 7967232. Its totient is φ = 1572480.

The previous prime is 3730541. The next prime is 3730547. The reversal of 3730545 is 5450373.

It is a happy number.

3730545 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 3730545 - 22 = 3730541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3730541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3640 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

Almost surely, 23730545 is an apocalyptic number.

3730545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3730545 is an abundant number, since it is smaller than the sum of its proper divisors (4236687).

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

3730545 is a wasteful number, since it uses less digits than its factorization.

3730545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 3730545 is about 1931.4618815809. The cubic root of 3730545 is about 155.0924872930.

The spelling of 3730545 in words is "three million, seven hundred thirty thousand, five hundred forty-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 195 273 315 455 585 819 911 1365 2733 4095 4555 6377 8199 11843 13665 19131 31885 35529 40995 57393 59215 82901 95655 106587 177645 248703 286965 414505 532935 746109 1243515 3730545