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162242942 = 281121471
BaseRepresentation
bin10011010101110…
…10000101111110
3102022021210110212
421222322011332
5313013233232
624033232422
74010020331
oct1152720576
9368253425
10162242942
1183644584
1246402712
13277c7654
1417794618
15e39beb2
hex9aba17e

162242942 has 4 divisors (see below), whose sum is σ = 243364416. Its totient is φ = 81121470.

The previous prime is 162242893. The next prime is 162242947. The reversal of 162242942 is 249242261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249242261 = 1511650611.

It is a junction number, because it is equal to n+sod(n) for n = 162242899 and 162242908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162242947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40560734 + ... + 40560737.

It is an arithmetic number, because the mean of its divisors is an integer number (60841104).

Almost surely, 2162242942 is an apocalyptic number.

162242942 is a deficient number, since it is larger than the sum of its proper divisors (81121474).

162242942 is an equidigital number, since it uses as much as digits as its factorization.

162242942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81121473.

The product of its digits is 13824, while the sum is 32.

The square root of 162242942 is about 12737.4621491096. The cubic root of 162242942 is about 545.4085447755.

The spelling of 162242942 in words is "one hundred sixty-two million, two hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 81121471 162242942