Search a number
-
+
1283367948 = 223106947329
BaseRepresentation
bin100110001111110…
…1010010000001100
310022102212211212020
41030133222100030
510112020233243
6331203010140
743542306342
oct11437522014
93272784766
101283367948
115a9478375
122b9969950
13175b63825
14c2631992
1577a07283
hex4c7ea40c

1283367948 has 12 divisors (see below), whose sum is σ = 2994525240. Its totient is φ = 427789312.

The previous prime is 1283367931. The next prime is 1283367973. The reversal of 1283367948 is 8497633821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1283367948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53473653 + ... + 53473676.

It is an arithmetic number, because the mean of its divisors is an integer number (249543770).

Almost surely, 21283367948 is an apocalyptic number.

It is an amenable number.

1283367948 is an abundant number, since it is smaller than the sum of its proper divisors (1711157292).

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

1283367948 is a wasteful number, since it uses less digits than its factorization.

1283367948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106947336 (or 106947334 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 1283367948 is about 35824.1252230951. The cubic root of 1283367948 is about 1086.7185061063.

The spelling of 1283367948 in words is "one billion, two hundred eighty-three million, three hundred sixty-seven thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 106947329 213894658 320841987 427789316 641683974 1283367948