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4072457140 = 225203622857
BaseRepresentation
bin1111001010111100…
…1100001110110100
3101111211001020221221
43302233030032310
531320022112030
61512034520124
7202630212613
oct36257141664
911454036857
104072457140
1117aa883364
12957a36044
134cb94076b
142a8c1587a
1518c7d8e7a
hexf2bcc3b4

4072457140 has 12 divisors (see below), whose sum is σ = 8552160036. Its totient is φ = 1628982848.

The previous prime is 4072457111. The next prime is 4072457141. The reversal of 4072457140 is 417542704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3226694416 + 845762724 = 56804^2 + 29082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4072457096 and 4072457105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072457141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101811409 + ... + 101811448.

It is an arithmetic number, because the mean of its divisors is an integer number (712680003).

Almost surely, 24072457140 is an apocalyptic number.

It is an amenable number.

4072457140 is an abundant number, since it is smaller than the sum of its proper divisors (4479702896).

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

4072457140 is a wasteful number, since it uses less digits than its factorization.

4072457140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203622866 (or 203622864 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 4072457140 is about 63815.8063492110. The cubic root of 4072457140 is about 1596.9286313944.

Adding to 4072457140 its reverse (417542704), we get a palindrome (4489999844).

The spelling of 4072457140 in words is "four billion, seventy-two million, four hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 203622857 407245714 814491428 1018114285 2036228570 4072457140