[go: up one dir, main page]

Search a number
-
+
2990456 = 23753401
BaseRepresentation
bin1011011010000101111000
312121221010122
423122011320
51231143311
6144032412
734263350
oct13320570
95557118
102990456
111762857
121002708
13809201
1457bb60
153e10db
hex2da178

2990456 has 16 divisors (see below), whose sum is σ = 6408240. Its totient is φ = 1281600.

The previous prime is 2990447. The next prime is 2990459. The reversal of 2990456 is 6540992.

2990456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26645 + ... + 26756.

It is an arithmetic number, because the mean of its divisors is an integer number (400515).

22990456 is an apocalyptic number.

It is an amenable number.

2990456 is an abundant number, since it is smaller than the sum of its proper divisors (3417784).

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

2990456 is a wasteful number, since it uses less digits than its factorization.

2990456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53414 (or 53410 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2990456 is about 1729.2934973567. The cubic root of 2990456 is about 144.0718520020.

The spelling of 2990456 in words is "two million, nine hundred ninety thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 53401 106802 213604 373807 427208 747614 1495228 2990456