Search a number
-
+
2900380 = 225720717
BaseRepresentation
bin1011000100000110011100
312110100120111
423010012130
51220303010
6142055404
733436630
oct13040634
95410514
102900380
11170110a
12b7a564
137a7202
14556dc0
153c458a
hex2c419c

2900380 has 24 divisors (see below), whose sum is σ = 6961248. Its totient is φ = 994368.

The previous prime is 2900357. The next prime is 2900383. The reversal of 2900380 is 830092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900383) 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, 10219 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (290052).

22900380 is an apocalyptic number.

2900380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2900380 is an abundant number, since it is smaller than the sum of its proper divisors (4060868).

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

2900380 is a wasteful number, since it uses less digits than its factorization.

2900380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20733 (or 20731 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2900380 is about 1703.0502047796. The cubic root of 2900380 is about 142.6105431364.

The spelling of 2900380 in words is "two million, nine hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 20717 41434 82868 103585 145019 207170 290038 414340 580076 725095 1450190 2900380