Search a number
-
+
2972629 = 11270239
BaseRepresentation
bin1011010101101111010101
312121000200101
423111233111
51230111004
6143414101
734160362
oct13255725
95530611
102972629
111750420
12bb4331
1380106a
14575469
153daba4
hex2d5bd5

2972629 has 4 divisors (see below), whose sum is σ = 3242880. Its totient is φ = 2702380.

The previous prime is 2972573. The next prime is 2972639. The reversal of 2972629 is 9262792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2972629 - 217 = 2841557 is a prime.

It is a Duffinian number.

2972629 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135109 + ... + 135130.

It is an arithmetic number, because the mean of its divisors is an integer number (810720).

22972629 is an apocalyptic number.

It is an amenable number.

2972629 is a deficient number, since it is larger than the sum of its proper divisors (270251).

2972629 is a wasteful number, since it uses less digits than its factorization.

2972629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270250.

The product of its digits is 27216, while the sum is 37.

The square root of 2972629 is about 1724.1313755048. The cubic root of 2972629 is about 143.7849961423.

It can be divided in two parts, 297 and 2629, that added together give a triangular number (2926 = T76).

The spelling of 2972629 in words is "two million, nine hundred seventy-two thousand, six hundred twenty-nine".

Divisors: 1 11 270239 2972629