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1193142 = 23474231
BaseRepresentation
bin100100011010010110110
32020121200110
410203102312
5301140032
641323450
713066356
oct4432266
92217613
101193142
11745475
12496586
1332a102
14230b66
151887cc
hex1234b6

1193142 has 16 divisors (see below), whose sum is σ = 2437632. Its totient is φ = 389160.

The previous prime is 1193131. The next prime is 1193149. The reversal of 1193142 is 2413911.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834 + ... + 2397.

It is an arithmetic number, because the mean of its divisors is an integer number (152352).

21193142 is an apocalyptic number.

1193142 is an abundant number, since it is smaller than the sum of its proper divisors (1244490).

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

1193142 is a wasteful number, since it uses less digits than its factorization.

1193142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283.

The product of its digits is 216, while the sum is 21.

The square root of 1193142 is about 1092.3103954463. The cubic root of 1193142 is about 106.0630335903.

It can be divided in two parts, 119314 and 2, that added together give a triangular number (119316 = T488).

The spelling of 1193142 in words is "one million, one hundred ninety-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 4231 8462 12693 25386 198857 397714 596571 1193142