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1142368 = 25291231
BaseRepresentation
bin100010110111001100000
32011001000221
410112321200
5243023433
640252424
712465343
oct4267140
92131027
101142368
11710307
12471114
1330cc76
1421a45a
1517872d
hex116e60

1142368 has 24 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 551040.

The previous prime is 1142363. The next prime is 1142389. The reversal of 1142368 is 8632411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142363) 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, 313 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

21142368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164240).

1142368 is an abundant number, since it is smaller than the sum of its proper divisors (1186112).

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

1142368 is a wasteful number, since it uses less digits than its factorization.

1142368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1262 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 1142368 is about 1068.8161675424. The cubic root of 1142368 is about 104.5366735593.

Adding to 1142368 its reverse (8632411), we get a palindrome (9774779).

It can be divided in two parts, 114236 and 8, that added together give a square (114244 = 3382).

The spelling of 1142368 in words is "one million, one hundred forty-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 1231 2462 4924 9848 19696 35699 39392 71398 142796 285592 571184 1142368