Search a number
-
+
2251929 = 34211783
BaseRepresentation
bin1000100101110010011001
311020102001210
420211302121
51034030204
6120133333
725066251
oct10456231
94212053
102251929
1112a89a9
12907249
1360b004
14428961
152e7389
hex225c99

2251929 has 8 divisors (see below), whose sum is σ = 3011392. Its totient is φ = 1496880.

The previous prime is 2251927. The next prime is 2251943. The reversal of 2251929 is 9291522.

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

It is not a de Polignac number, because 2251929 - 21 = 2251927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251896 and 2251905.

It is not an unprimeable number, because it can be changed into a prime (2251927) 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, 372 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (376424).

22251929 is an apocalyptic number.

It is an amenable number.

2251929 is a deficient number, since it is larger than the sum of its proper divisors (759463).

2251929 is a wasteful number, since it uses less digits than its factorization.

2251929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207.

The product of its digits is 3240, while the sum is 30.

The square root of 2251929 is about 1500.6428622427. The cubic root of 2251929 is about 131.0745064965.

The spelling of 2251929 in words is "two million, two hundred fifty-one thousand, nine hundred twenty-nine".

Divisors: 1 3 421 1263 1783 5349 750643 2251929