Search a number
-
+
1131792 = 243171973
BaseRepresentation
bin100010100010100010000
32010111112020
410110110100
5242204132
640131440
712422454
oct4242420
92114466
101131792
11703372
12466b80
133081cc
14216664
1517552c
hex114510

1131792 has 80 divisors (see below), whose sum is σ = 3303360. Its totient is φ = 331776.

The previous prime is 1131787. The next prime is 1131799. The reversal of 1131792 is 2971311.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1131799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15468 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (41292).

21131792 is an apocalyptic number.

1131792 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 1131792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651680).

1131792 is an abundant number, since it is smaller than the sum of its proper divisors (2171568).

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

1131792 is a wasteful number, since it uses less digits than its factorization.

1131792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 114 counting only the distinct ones).

The product of its digits is 378, while the sum is 24.

The square root of 1131792 is about 1063.8571332656. The cubic root of 1131792 is about 104.2130740064.

The spelling of 1131792 in words is "one million, one hundred thirty-one thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 17 19 24 34 38 48 51 57 68 73 76 102 114 136 146 152 204 219 228 272 292 304 323 408 438 456 584 646 816 876 912 969 1168 1241 1292 1387 1752 1938 2482 2584 2774 3504 3723 3876 4161 4964 5168 5548 7446 7752 8322 9928 11096 14892 15504 16644 19856 22192 23579 29784 33288 47158 59568 66576 70737 94316 141474 188632 282948 377264 565896 1131792