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383857053 = 3127952351
BaseRepresentation
bin10110111000010…
…011000110011101
3222202021221212220
4112320103012131
51241231411203
6102031215553
712340505526
oct2670230635
9882257786
10383857053
1118774a538
12a86775b9
13616ab968
1438da184d
1523a75653
hex16e1319d

383857053 has 4 divisors (see below), whose sum is σ = 511809408. Its totient is φ = 255904700.

The previous prime is 383857049. The next prime is 383857063. The reversal of 383857053 is 350758383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 383857053 - 22 = 383857049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 383856996 and 383857014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383857063) 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, 63976173 + ... + 63976178.

It is an arithmetic number, because the mean of its divisors is an integer number (127952352).

Almost surely, 2383857053 is an apocalyptic number.

It is an amenable number.

383857053 is a deficient number, since it is larger than the sum of its proper divisors (127952355).

383857053 is a wasteful number, since it uses less digits than its factorization.

383857053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127952354.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 383857053 is about 19592.2702359885. The cubic root of 383857053 is about 726.7580342941.

The spelling of 383857053 in words is "three hundred eighty-three million, eight hundred fifty-seven thousand, fifty-three".

Divisors: 1 3 127952351 383857053