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1142954 = 2571477
BaseRepresentation
bin100010111000010101010
32011001211122
410113002222
5243033304
640255242
712500141
oct4270252
92131748
101142954
1171079a
12471522
13310307
1421a758
151789be
hex1170aa

1142954 has 4 divisors (see below), whose sum is σ = 1714434. Its totient is φ = 571476.

The previous prime is 1142941. The next prime is 1142959. The reversal of 1142954 is 4592411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4592411 = 29158359.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 29929 = 1055^2 + 173^2 .

It is a super-2 number, since 2×11429542 = 2612687692232, which contains 22 as substring.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1142959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285737 + ... + 285740.

21142954 is an apocalyptic number.

1142954 is a deficient number, since it is larger than the sum of its proper divisors (571480).

1142954 is an equidigital number, since it uses as much as digits as its factorization.

1142954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571479.

The product of its digits is 1440, while the sum is 26.

The square root of 1142954 is about 1069.0902674704. The cubic root of 1142954 is about 104.5545452140.

The spelling of 1142954 in words is "one million, one hundred forty-two thousand, nine hundred fifty-four".

Divisors: 1 2 571477 1142954