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245314450040 = 23511557532841
BaseRepresentation
bin1110010001110111100…
…0010111001001111000
3212110012101102020220212
43210131320113021320
513004400444400130
6304410152010252
723503056264152
oct3443570271170
9773171366825
10245314450040
1195045680210
123b663390988
131a19641a31a
14bc32405ad2
1565ab7c7e95
hex391de17278

245314450040 has 32 divisors (see below), whose sum is σ = 602135469360. Its totient is φ = 89205254400.

The previous prime is 245314449949. The next prime is 245314450049. The reversal of 245314450040 is 40054413542.

It is a junction number, because it is equal to n+sod(n) for n = 245314449979 and 245314450006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245314450049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278765981 + ... + 278766860.

Almost surely, 2245314450040 is an apocalyptic number.

245314450040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245314450040 is an abundant number, since it is smaller than the sum of its proper divisors (356821019320).

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

245314450040 is a wasteful number, since it uses less digits than its factorization.

245314450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557532863 (or 557532859 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 245314450040 its reverse (40054413542), we get a palindrome (285368863582).

The spelling of 245314450040 in words is "two hundred forty-five billion, three hundred fourteen million, four hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 557532841 1115065682 2230131364 2787664205 4460262728 5575328410 6132861251 11150656820 12265722502 22301313640 24531445004 30664306255 49062890008 61328612510 122657225020 245314450040