Search a number
-
+
2139299 = 23471979
BaseRepresentation
bin1000001010010010100011
311000200120022
420022102203
51021424144
6113504055
724120011
oct10122243
94020508
102139299
111231318
1287202b
1359b976
143d98b1
152c3cee
hex20a4a3

2139299 has 8 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 2001736.

The previous prime is 2139283. The next prime is 2139307. The reversal of 2139299 is 9929312.

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

It is not a de Polignac number, because 2139299 - 24 = 2139283 is a prime.

It is a super-2 number, since 2×21392992 = 9153200422802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139199) 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, 92 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

22139299 is an apocalyptic number.

2139299 is a deficient number, since it is larger than the sum of its proper divisors (141661).

2139299 is a wasteful number, since it uses less digits than its factorization.

2139299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049.

The product of its digits is 8748, while the sum is 35.

The square root of 2139299 is about 1462.6342673410. The cubic root of 2139299 is about 128.8518018487.

The spelling of 2139299 in words is "two million, one hundred thirty-nine thousand, two hundred ninety-nine".

Divisors: 1 23 47 1081 1979 45517 93013 2139299