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4055000061 = 37434490587
BaseRepresentation
bin1111000110110010…
…0110001111111101
3101110121012100100110
43301230212033331
531301040000221
61510212420233
7202325634420
oct36154461775
911417170313
104055000061
1117a0a3a622
12952017679
134c813a928
142a678d9b7
1518aedb776
hexf1b263fd

4055000061 has 16 divisors (see below), whose sum is σ = 6322747904. Its totient is φ = 2263255344.

The previous prime is 4055000011. The next prime is 4055000077. The reversal of 4055000061 is 1600005504.

It is a happy number.

It is not a de Polignac number, because 4055000061 - 26 = 4054999997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055000011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2244391 + ... + 2246196.

It is an arithmetic number, because the mean of its divisors is an integer number (395171744).

Almost surely, 24055000061 is an apocalyptic number.

It is an amenable number.

4055000061 is a deficient number, since it is larger than the sum of its proper divisors (2267747843).

4055000061 is a wasteful number, since it uses less digits than its factorization.

4055000061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490640.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 4055000061 is about 63678.8823786976. The cubic root of 4055000061 is about 1594.6435540916.

Adding to 4055000061 its reverse (1600005504), we get a palindrome (5655005565).

The spelling of 4055000061 in words is "four billion, fifty-five million, sixty-one", and thus it is an aban number.

Divisors: 1 3 7 21 43 129 301 903 4490587 13471761 31434109 94302327 193095241 579285723 1351666687 4055000061