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404245352 = 23713752691
BaseRepresentation
bin11000000110000…
…100101101101000
31001011122210101002
4120012010231220
51311441322402
6104040214132
713006012610
oct3006045550
91034583332
10404245352
11198205575
12b346a348
1365999a44
143b98ba40
1525751602
hex18184b68

404245352 has 32 divisors (see below), whose sum is σ = 872579520. Its totient is φ = 171980160.

The previous prime is 404245339. The next prime is 404245367. The reversal of 404245352 is 253542404.

It is a super-2 number, since 2×4042453522 = 326828609227207808, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 18674 + ... + 34017.

It is an arithmetic number, because the mean of its divisors is an integer number (27268110).

Almost surely, 2404245352 is an apocalyptic number.

It is an amenable number.

404245352 is an abundant number, since it is smaller than the sum of its proper divisors (468334168).

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

404245352 is a wasteful number, since it uses less digits than its factorization.

404245352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52841 (or 52837 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 404245352 is about 20105.8536749873. The cubic root of 404245352 is about 739.4038002823.

Adding to 404245352 its reverse (253542404), we get a palindrome (657787756).

It can be divided in two parts, 4042 and 45352, that added together give a palindrome (49394).

The spelling of 404245352 in words is "four hundred four million, two hundred forty-five thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 137 274 548 959 1096 1918 3836 7672 52691 105382 210764 368837 421528 737674 1475348 2950696 7218667 14437334 28874668 50530669 57749336 101061338 202122676 404245352