Search a number
-
+
1024740155 = 51272116111
BaseRepresentation
bin111101000101000…
…100101100111011
32122102020012020002
4331011010230323
54044313141110
6245403423215
734252101425
oct7505045473
92572205202
101024740155
1148649149a
12247224b0b
131343c002a
149a14b815
155ee6baa5
hex3d144b3b

1024740155 has 8 divisors (see below), whose sum is σ = 1229861184. Its totient is φ = 819676800.

The previous prime is 1024740151. The next prime is 1024740163. The reversal of 1024740155 is 5510474201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1024740155 - 22 = 1024740151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024740151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55550 + ... + 71660.

It is an arithmetic number, because the mean of its divisors is an integer number (153732648).

Almost surely, 21024740155 is an apocalyptic number.

1024740155 is a deficient number, since it is larger than the sum of its proper divisors (205121029).

1024740155 is a wasteful number, since it uses less digits than its factorization.

1024740155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28837.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1024740155 is about 32011.5628328265. The cubic root of 1024740155 is about 1008.1796295704.

The spelling of 1024740155 in words is "one billion, twenty-four million, seven hundred forty thousand, one hundred fifty-five".

Divisors: 1 5 12721 16111 63605 80555 204948031 1024740155