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400211053 = 1136382823
BaseRepresentation
bin10111110110101…
…011110001101101
31000220001211100121
4113312223301231
51304423223203
6103413524541
712626511034
oct2766536155
91026054317
10400211053
111959aa540
12b2043751
1364bb6698
143b21b71b
15252060bd
hex17dabc6d

400211053 has 4 divisors (see below), whose sum is σ = 436593888. Its totient is φ = 363828220.

The previous prime is 400211027. The next prime is 400211069. The reversal of 400211053 is 350112004.

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 400211053 - 221 = 398113901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400211353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18191401 + ... + 18191422.

It is an arithmetic number, because the mean of its divisors is an integer number (109148472).

Almost surely, 2400211053 is an apocalyptic number.

It is an amenable number.

400211053 is a deficient number, since it is larger than the sum of its proper divisors (36382835).

400211053 is a wasteful number, since it uses less digits than its factorization.

400211053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36382834.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 400211053 is about 20005.2756291934. The cubic root of 400211053 is about 736.9358645932.

Adding to 400211053 its reverse (350112004), we get a palindrome (750323057).

The spelling of 400211053 in words is "four hundred million, two hundred eleven thousand, fifty-three".

Divisors: 1 11 36382823 400211053