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400425104 = 2425026569
BaseRepresentation
bin10111110111100…
…000000010010000
31000220110200222102
4113313200002100
51310002100404
6103422255532
712631362062
oct2767400220
91026420872
10400425104
11196036342
12b21275a8
1364c5cc41
143b275732
152524971e
hex17de0090

400425104 has 10 divisors (see below), whose sum is σ = 775823670. Its totient is φ = 200212544.

The previous prime is 400425083. The next prime is 400425131. The reversal of 400425104 is 401524004.

It can be written as a sum of positive squares in only one way, i.e., 400000000 + 425104 = 20000^2 + 652^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513269 + ... + 12513300.

It is an arithmetic number, because the mean of its divisors is an integer number (77582367).

Almost surely, 2400425104 is an apocalyptic number.

It is an amenable number.

400425104 is a deficient number, since it is larger than the sum of its proper divisors (375398566).

400425104 is a wasteful number, since it uses less digits than its factorization.

400425104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25026577 (or 25026571 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 400425104 is about 20010.6247778524. The cubic root of 400425104 is about 737.0672234045.

Adding to 400425104 its reverse (401524004), we get a palindrome (801949108).

It can be divided in two parts, 400 and 425104, that multiplied together give a square (170041600 = 130402).

The spelling of 400425104 in words is "four hundred million, four hundred twenty-five thousand, one hundred four".

Divisors: 1 2 4 8 16 25026569 50053138 100106276 200212552 400425104