Search a number
-
+
2807308 = 227214323
BaseRepresentation
bin1010101101011000001100
312021121220101
422231120030
51204313213
6140100444
732601400
oct12553014
95247811
102807308
111648199
12b34724
13773a3a
14531100
153a6bdd
hex2ad60c

2807308 has 18 divisors (see below), whose sum is σ = 5715276. Its totient is φ = 1203048.

The previous prime is 2807303. The next prime is 2807323. The reversal of 2807308 is 8037082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2807303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6966 + ... + 7357.

22807308 is an apocalyptic number.

2807308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2807308 is an abundant number, since it is smaller than the sum of its proper divisors (2907968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2807308 is a wasteful number, since it uses less digits than its factorization.

2807308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14341 (or 14332 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2807308 is about 1675.5023127409. The cubic root of 2807308 is about 141.0684911116.

The spelling of 2807308 in words is "two million, eight hundred seven thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 49 98 196 14323 28646 57292 100261 200522 401044 701827 1403654 2807308