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4131430040 = 235966110691
BaseRepresentation
bin1111011001000000…
…1001111010011000
3101122221000101120102
43312100021322120
531430121230130
61521542514532
7204244401353
oct36620117230
911587011512
104131430040
1118300a25a1
12973735a48
1350ac1b07a
142b29a729a
15192a87645
hexf6409e98

4131430040 has 32 divisors (see below), whose sum is σ = 9297549360. Its totient is φ = 1652246400.

The previous prime is 4131430031. The next prime is 4131430063. The reversal of 4131430040 is 400341314.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4131429994 and 4131430021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381095 + ... + 391785.

Almost surely, 24131430040 is an apocalyptic number.

4131430040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4131430040 is an abundant number, since it is smaller than the sum of its proper divisors (5166119320).

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

4131430040 is a wasteful number, since it uses less digits than its factorization.

4131430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363 (or 20359 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4131430040 is about 64276.2011945323. The cubic root of 4131430040 is about 1604.6000485051.

Adding to 4131430040 its reverse (400341314), we get a palindrome (4531771354).

The spelling of 4131430040 in words is "four billion, one hundred thirty-one million, four hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 9661 10691 19322 21382 38644 42764 48305 53455 77288 85528 96610 106910 193220 213820 386440 427640 103285751 206571502 413143004 516428755 826286008 1032857510 2065715020 4131430040