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401162368 = 274176441
BaseRepresentation
bin10111111010010…
…100000010000000
31000221212011022111
4113322110002000
51310144143433
6103450145104
712640552405
oct2772240200
91027764274
10401162368
1119649a252
12b2422194
136515a6a9
143b3c82ac
1525342dcd
hex17e94080

401162368 has 32 divisors (see below), whose sum is σ = 818693820. Its totient is φ = 195686400.

The previous prime is 401162357. The next prime is 401162387. The reversal of 401162368 is 863261104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 245611584 + 155550784 = 15672^2 + 12472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32973 + ... + 43468.

Almost surely, 2401162368 is an apocalyptic number.

It is an amenable number.

401162368 is an abundant number, since it is smaller than the sum of its proper divisors (417531452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401162368 is an equidigital number, since it uses as much as digits as its factorization.

401162368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76496 (or 76484 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 401162368 is about 20029.0381196901. The cubic root of 401162368 is about 737.5193095777.

The spelling of 401162368 in words is "four hundred one million, one hundred sixty-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 41 64 82 128 164 328 656 1312 2624 5248 76441 152882 305764 611528 1223056 2446112 3134081 4892224 6268162 9784448 12536324 25072648 50145296 100290592 200581184 401162368