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1038245629 = 2579340253
BaseRepresentation
bin111101111000100…
…101111011111101
32200100122100020211
4331320211323331
54111242330004
6251005112421
734504641121
oct7570457375
92610570224
101038245629
11493076343
1224b858711
1313713b335
149bc65581
1561238504
hex3de25efd

1038245629 has 4 divisors (see below), whose sum is σ = 1038311676. Its totient is φ = 1038179584.

The previous prime is 1038245587. The next prime is 1038245669. The reversal of 1038245629 is 9265428301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 463540900 + 574704729 = 21530^2 + 23973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038245629 - 223 = 1029857021 is a prime.

It is a super-2 number, since 2×10382456292 = 2155907972275211282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1038245591 and 1038245600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038245669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667 + ... + 45919.

It is an arithmetic number, because the mean of its divisors is an integer number (259577919).

Almost surely, 21038245629 is an apocalyptic number.

It is an amenable number.

1038245629 is a deficient number, since it is larger than the sum of its proper divisors (66047).

1038245629 is an equidigital number, since it uses as much as digits as its factorization.

1038245629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66046.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1038245629 is about 32221.8191447969. The cubic root of 1038245629 is about 1012.5893852703.

The spelling of 1038245629 in words is "one billion, thirty-eight million, two hundred forty-five thousand, six hundred twenty-nine".

Divisors: 1 25793 40253 1038245629