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5231144000 = 2653653893
BaseRepresentation
bin1001101111100110…
…01110110001000000
3111111120022122112002
410313303032301000
541203133102000
62223025323132
7243426663455
oct46763166100
914446278462
105231144000
112244931a05
12101ba964a8
136549cb7a4
14378a6d82c
152093b38d5
hex137ccec40

5231144000 has 56 divisors (see below), whose sum is σ = 12954947928. Its totient is φ = 2092454400.

The previous prime is 5231143997. The next prime is 5231144003. The reversal of 5231144000 is 4411325.

It is an interprime number because it is at equal distance from previous prime (5231143997) and next prime (5231144003).

It can be written as a sum of positive squares in 4 ways, for example, as 27541504 + 5203602496 = 5248^2 + 72136^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5231144003) 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, 318947 + ... + 334946.

Almost surely, 25231144000 is an apocalyptic number.

5231144000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5231144000 is an abundant number, since it is smaller than the sum of its proper divisors (7723803928).

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

5231144000 is an equidigital number, since it uses as much as digits as its factorization.

5231144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653920 (or 653900 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5231144000 is about 72326.6479245375. The cubic root of 5231144000 is about 1735.9300657763.

Adding to 5231144000 its reverse (4411325), we get a palindrome (5235555325).

The spelling of 5231144000 in words is "five billion, two hundred thirty-one million, one hundred forty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 653893 1307786 2615572 3269465 5231144 6538930 10462288 13077860 16347325 20924576 26155720 32694650 41849152 52311440 65389300 81736625 104622880 130778600 163473250 209245760 261557200 326946500 523114400 653893000 1046228800 1307786000 2615572000 5231144000