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1142152 = 231112979
BaseRepresentation
bin100010110110110001000
32011000201221
410112312020
5243022102
640251424
712464614
oct4266610
92130657
101142152
11710130
12470b74
1330cb3b
1421a344
15178637
hex116d88

1142152 has 16 divisors (see below), whose sum is σ = 2336400. Its totient is φ = 519120.

The previous prime is 1142131. The next prime is 1142159. The reversal of 1142152 is 2512411.

It is a super-2 number, since 2×11421522 = 2609022382208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142159) 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, 6402 + ... + 6577.

It is an arithmetic number, because the mean of its divisors is an integer number (146025).

21142152 is an apocalyptic number.

It is an amenable number.

1142152 is an abundant number, since it is smaller than the sum of its proper divisors (1194248).

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

1142152 is a wasteful number, since it uses less digits than its factorization.

1142152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12996 (or 12992 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 1142152 is about 1068.7151163898. The cubic root of 1142152 is about 104.5300845137.

Adding to 1142152 its reverse (2512411), we get a palindrome (3654563).

The spelling of 1142152 in words is "one million, one hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 12979 25958 51916 103832 142769 285538 571076 1142152