Search a number
-
+
2945434 = 23147507
BaseRepresentation
bin1011001111000110011010
312112122101011
423033012122
51223223214
6143044134
734015162
oct13170632
95478334
102945434
111731a48
12ba064a
137c187b
145695a2
153d2ac4
hex2cf19a

2945434 has 8 divisors (see below), whose sum is σ = 4560768. Its totient is φ = 1425180.

The previous prime is 2945429. The next prime is 2945441. The reversal of 2945434 is 4345492.

It is a happy number.

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

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2945396 and 2945405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23692 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (570096).

22945434 is an apocalyptic number.

2945434 is a deficient number, since it is larger than the sum of its proper divisors (1615334).

2945434 is a wasteful number, since it uses less digits than its factorization.

2945434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47540.

The product of its digits is 17280, while the sum is 31.

The square root of 2945434 is about 1716.2266750054. The cubic root of 2945434 is about 143.3451814015.

The spelling of 2945434 in words is "two million, nine hundred forty-five thousand, four hundred thirty-four".

Divisors: 1 2 31 62 47507 95014 1472717 2945434