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1070407831 = 2274715453
BaseRepresentation
bin111111110011010…
…010000010010111
32202121011100111111
4333303102002113
54143011022311
6254114315451
735345213353
oct7763220227
92677140444
101070407831
114aa243279
1225a588b87
131409bc51c
14a2238463
1563e8cd21
hex3fcd2097

1070407831 has 4 divisors (see below), whose sum is σ = 1075123512. Its totient is φ = 1065692152.

The previous prime is 1070407829. The next prime is 1070407847. The reversal of 1070407831 is 1387040701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1387040701 = 4133830261.

It is a cyclic number.

It is not a de Polignac number, because 1070407831 - 21 = 1070407829 is a prime.

It is a super-3 number, since 3×10704078313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1070407793 and 1070407802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070407801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357500 + ... + 2357953.

It is an arithmetic number, because the mean of its divisors is an integer number (268780878).

Almost surely, 21070407831 is an apocalyptic number.

1070407831 is a deficient number, since it is larger than the sum of its proper divisors (4715681).

1070407831 is an equidigital number, since it uses as much as digits as its factorization.

1070407831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715680.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1070407831 is about 32717.0877524269. The cubic root of 1070407831 is about 1022.9390533215.

The spelling of 1070407831 in words is "one billion, seventy million, four hundred seven thousand, eight hundred thirty-one".

Divisors: 1 227 4715453 1070407831