Search a number
-
+
400113370 = 25373107269
BaseRepresentation
bin10111110110010…
…011111011011010
31000212212212100201
4113312103323122
51304412111440
6103411452414
712625623166
oct2766237332
91025785321
10400113370
11195943108
12b1bb710a
1364b81097
143b1d3ca6
15251d719a
hex17d93eda

400113370 has 16 divisors (see below), whose sum is σ = 722141640. Its totient is φ = 159614784.

The previous prime is 400113353. The next prime is 400113437. The reversal of 400113370 is 73311004.

It can be written as a sum of positive squares in 4 ways, for example, as 191628649 + 208484721 = 13843^2 + 14439^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49905 + ... + 57364.

Almost surely, 2400113370 is an apocalyptic number.

400113370 is a deficient number, since it is larger than the sum of its proper divisors (322028270).

400113370 is a wasteful number, since it uses less digits than its factorization.

400113370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107649.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 400113370 is about 20002.8340492041. The cubic root of 400113370 is about 736.8759029279.

Adding to 400113370 its reverse (73311004), we get a palindrome (473424374).

It can be divided in two parts, 4001 and 13370, that added together give a palindrome (17371).

The spelling of 400113370 in words is "four hundred million, one hundred thirteen thousand, three hundred seventy".

Divisors: 1 2 5 10 373 746 1865 3730 107269 214538 536345 1072690 40011337 80022674 200056685 400113370