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1074207138 = 23712521613
BaseRepresentation
bin100000000000111…
…0001100110100010
32202212022101011120
41000001301212202
54144444112023
6254331553110
735422416144
oct10001614642
92685271146
101074207138
115013a87a4
1225b8bb796
1314171c934
14a2946c94
156448d8e3
hex400719a2

1074207138 has 16 divisors (see below), whose sum is σ = 2178674496. Its totient is φ = 353025680.

The previous prime is 1074207109. The next prime is 1074207139. The reversal of 1074207138 is 8317024701.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1074207099 and 1074207108.

It is not an unprimeable number, because it can be changed into a prime (1074207139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260381 + ... + 1261232.

It is an arithmetic number, because the mean of its divisors is an integer number (136167156).

Almost surely, 21074207138 is an apocalyptic number.

1074207138 is an abundant number, since it is smaller than the sum of its proper divisors (1104467358).

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

1074207138 is a wasteful number, since it uses less digits than its factorization.

1074207138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521689.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1074207138 is about 32775.0993591171. The cubic root of 1074207138 is about 1024.1478979748.

The spelling of 1074207138 in words is "one billion, seventy-four million, two hundred seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 71 142 213 426 2521613 5043226 7564839 15129678 179034523 358069046 537103569 1074207138