Search a number
-
+
6145040 = 245116983
BaseRepresentation
bin10111011100010000010000
3102120012102002
4113130100100
53033120130
6335413132
7103142366
oct27342020
912505362
106145040
113517950
1220841a8
131372025
14b5d636
15815b45
hex5dc410

6145040 has 40 divisors (see below), whose sum is σ = 15588288. Its totient is φ = 2234240.

The previous prime is 6145031. The next prime is 6145057. The reversal of 6145040 is 405416.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612 + ... + 4371.

Almost surely, 26145040 is an apocalyptic number.

It is an amenable number.

6145040 is an abundant number, since it is smaller than the sum of its proper divisors (9443248).

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

6145040 is a wasteful number, since it uses less digits than its factorization.

6145040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007 (or 7001 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6145040 is about 2478.9191192937. The cubic root of 6145040 is about 183.1646124513.

The spelling of 6145040 in words is "six million, one hundred forty-five thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 6983 13966 27932 34915 55864 69830 76813 111728 139660 153626 279320 307252 384065 558640 614504 768130 1229008 1536260 3072520 6145040