Search a number
-
+
1012992 = 2831319
BaseRepresentation
bin11110111010100000000
31220110120020
43313110000
5224403432
633413440
711416221
oct3672400
91813506
101012992
11632092
1240a280
13296106
141c5248
1515022c
hexf7500

1012992 has 36 divisors (see below), whose sum is σ = 2698080. Its totient is φ = 337408.

The previous prime is 1012981. The next prime is 1012993. The reversal of 1012992 is 2992101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 1427.

21012992 is an apocalyptic number.

1012992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349040).

1012992 is an abundant number, since it is smaller than the sum of its proper divisors (1685088).

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

1012992 is an equidigital number, since it uses as much as digits as its factorization.

1012992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1012992 is about 1006.4750369483. The cubic root of 1012992 is about 100.4312046199.

The spelling of 1012992 in words is "one million, twelve thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 1319 2638 3957 5276 7914 10552 15828 21104 31656 42208 63312 84416 126624 168832 253248 337664 506496 1012992