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1073940031 = 1763172943
BaseRepresentation
bin100000000000011…
…0000011000111111
32202211210210202201
41000000300120333
54144412040111
6254322132331
735420224333
oct10000603077
92684723681
101073940031
1150123604a
1225b7b10a7
13141658198
14a28b77c3
15644396c1
hex4003063f

1073940031 has 4 divisors (see below), whose sum is σ = 1137112992. Its totient is φ = 1010767072.

The previous prime is 1073940017. The next prime is 1073940079. The reversal of 1073940031 is 1300493701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1073940031 - 219 = 1073415743 is a prime.

It is a super-2 number, since 2×10739400312 = 2306694380368561922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073940001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31586455 + ... + 31586488.

It is an arithmetic number, because the mean of its divisors is an integer number (284278248).

Almost surely, 21073940031 is an apocalyptic number.

1073940031 is a deficient number, since it is larger than the sum of its proper divisors (63172961).

1073940031 is an equidigital number, since it uses as much as digits as its factorization.

1073940031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63172960.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1073940031 is about 32771.0242592446. The cubic root of 1073940031 is about 1024.0630044318.

The spelling of 1073940031 in words is "one billion, seventy-three million, nine hundred forty thousand, thirty-one".

Divisors: 1 17 63172943 1073940031