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1071230542 = 215121116811
BaseRepresentation
bin111111110110011…
…010111001001110
32202122201011001021
4333312122321032
54143213334132
6254144104354
735355211054
oct7766327116
92678634037
101071230542
114aa7553a8
1225a9050ba
13140c19b35
14a23b01d4
15640a1997
hex3fd9ae4e

1071230542 has 16 divisors (see below), whose sum is σ = 1625249664. Its totient is φ = 529515000.

The previous prime is 1071230539. The next prime is 1071230551. The reversal of 1071230542 is 2450321701.

It is a happy number.

It is a super-2 number, since 2×10712305422 = 2295069748227227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55317 + ... + 72127.

It is an arithmetic number, because the mean of its divisors is an integer number (101578104).

Almost surely, 21071230542 is an apocalyptic number.

1071230542 is a deficient number, since it is larger than the sum of its proper divisors (554019122).

1071230542 is a wasteful number, since it uses less digits than its factorization.

1071230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1071230542 is about 32729.6584461250. The cubic root of 1071230542 is about 1023.2010617718.

The spelling of 1071230542 in words is "one billion, seventy-one million, two hundred thirty thousand, five hundred forty-two".

Divisors: 1 2 151 211 302 422 16811 31861 33622 63722 2538461 3547121 5076922 7094242 535615271 1071230542