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400124413 = 13163188827
BaseRepresentation
bin10111110110010…
…110100111111101
31000212220102111201
4113312112213331
51304412440123
6103412015501
712626000323
oct2766264775
91025812451
10400124413
11195950437
12b2001591
1364b86110
143b1d7d13
15251da5ad
hex17d969fd

400124413 has 8 divisors (see below), whose sum is σ = 433549088. Its totient is φ = 367077744.

The previous prime is 400124411. The next prime is 400124419. The reversal of 400124413 is 314421004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400124413 - 21 = 400124411 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 (400124411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92295 + ... + 96532.

It is an arithmetic number, because the mean of its divisors is an integer number (54193636).

Almost surely, 2400124413 is an apocalyptic number.

It is an amenable number.

400124413 is a deficient number, since it is larger than the sum of its proper divisors (33424675).

400124413 is a wasteful number, since it uses less digits than its factorization.

400124413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189003.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 400124413 is about 20003.1100831846. The cubic root of 400124413 is about 736.8826820446.

Adding to 400124413 its reverse (314421004), we get a palindrome (714545417).

The spelling of 400124413 in words is "four hundred million, one hundred twenty-four thousand, four hundred thirteen".

Divisors: 1 13 163 2119 188827 2454751 30778801 400124413