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400010141 = 2693148537
BaseRepresentation
bin10111110101111…
…010101110011101
31000212200121202102
4113311322232131
51304400311031
6103405334445
712625013216
oct2765725635
91025617672
10400010141
111958825a3
12b1b67425
1364b460bb
143b1a840d
15251b67cb
hex17d7ab9d

400010141 has 4 divisors (see below), whose sum is σ = 400161372. Its totient is φ = 399858912.

The previous prime is 400010131. The next prime is 400010159. The reversal of 400010141 is 141010004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49758916 + 350251225 = 7054^2 + 18715^2 .

It is a cyclic number.

It is not a de Polignac number, because 400010141 - 26 = 400010077 is a prime.

It is a super-2 number, since 2×4000101412 = 320016225805679762, 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 (400010111) 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, 71576 + ... + 76961.

It is an arithmetic number, because the mean of its divisors is an integer number (100040343).

Almost surely, 2400010141 is an apocalyptic number.

It is an amenable number.

400010141 is a deficient number, since it is larger than the sum of its proper divisors (151231).

400010141 is a wasteful number, since it uses less digits than its factorization.

400010141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151230.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 400010141 is about 20000.2535233931. The cubic root of 400010141 is about 736.8125263027.

Adding to 400010141 its reverse (141010004), we get a palindrome (541020145).

It can be divided in two parts, 4000 and 10141, that added together give a palindrome (14141).

The spelling of 400010141 in words is "four hundred million, ten thousand, one hundred forty-one".

Divisors: 1 2693 148537 400010141