Search a number
-
+
2970955 = 51345707
BaseRepresentation
bin1011010101010101001011
312120221101101
423111111023
51230032310
6143402231
734152451
oct13252513
95527341
102970955
11174a139
12bb3377
13800380
145749d1
153da43a
hex2d554b

2970955 has 8 divisors (see below), whose sum is σ = 3839472. Its totient is φ = 2193888.

The previous prime is 2970943. The next prime is 2970959. The reversal of 2970955 is 5590792.

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

It is a cyclic number.

It is not a de Polignac number, because 2970955 - 25 = 2970923 is a prime.

It is a super-2 number, since 2×29709552 = 17653147224050, which contains 22 as substring.

2970955 is a lucky number.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2970959) 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, 22789 + ... + 22918.

It is an arithmetic number, because the mean of its divisors is an integer number (479934).

22970955 is an apocalyptic number.

2970955 is a deficient number, since it is larger than the sum of its proper divisors (868517).

2970955 is a wasteful number, since it uses less digits than its factorization.

2970955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45725.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 2970955 is about 1723.6458452942. The cubic root of 2970955 is about 143.7580008149.

The spelling of 2970955 in words is "two million, nine hundred seventy thousand, nine hundred fifty-five".

Divisors: 1 5 13 65 45707 228535 594191 2970955