Search a number
-
+
404807507344 = 2425300469209
BaseRepresentation
bin1011110010000000110…
…10000101110110010000
31102200212201202001021101
411321000122011312100
523113021210213334
6505544353434144
741150336016262
oct5710032056620
91380781661241
10404807507344
11146750314869
126655526b954
132c233640a46
1415842877b32
15a7e39ca214
hex5e40685d90

404807507344 has 10 divisors (see below), whose sum is σ = 784314545510. Its totient is φ = 202403753664.

The previous prime is 404807507329. The next prime is 404807507371. The reversal of 404807507344 is 443705708404.

It can be written as a sum of positive squares in only one way, i.e., 382393824400 + 22413682944 = 618380^2 + 149712^2 .

It is a super-2 number, since 2×4048075073442 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404807507294 and 404807507303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650234589 + ... + 12650234620.

It is an arithmetic number, because the mean of its divisors is an integer number (78431454551).

Almost surely, 2404807507344 is an apocalyptic number.

It is an amenable number.

404807507344 is a deficient number, since it is larger than the sum of its proper divisors (379507038166).

404807507344 is a wasteful number, since it uses less digits than its factorization.

404807507344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300469217 (or 25300469211 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 46.

The spelling of 404807507344 in words is "four hundred four billion, eight hundred seven million, five hundred seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 25300469209 50600938418 101201876836 202403753672 404807507344