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1142452 = 22285613
BaseRepresentation
bin100010110111010110100
32011001011001
410112322310
5243024302
640253044
712465523
oct4267264
92131131
101142452
11710383
12471184
1331000c
1421a4ba
15178787
hex116eb4

1142452 has 6 divisors (see below), whose sum is σ = 1999298. Its totient is φ = 571224.

The previous prime is 1142431. The next prime is 1142473. The reversal of 1142452 is 2542411.

It is an interprime number because it is at equal distance from previous prime (1142431) and next prime (1142473).

It can be written as a sum of positive squares in only one way, i.e., 698896 + 443556 = 836^2 + 666^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142803 + ... + 142810.

21142452 is an apocalyptic number.

It is an amenable number.

1142452 is a deficient number, since it is larger than the sum of its proper divisors (856846).

1142452 is a wasteful number, since it uses less digits than its factorization.

1142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285617 (or 285615 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1142452 is about 1068.8554626328. The cubic root of 1142452 is about 104.5392357417.

Adding to 1142452 its reverse (2542411), we get a palindrome (3684863).

It can be divided in two parts, 11424 and 52, that added together give a triangular number (11476 = T151).

The spelling of 1142452 in words is "one million, one hundred forty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 285613 571226 1142452