Search a number
-
+
2687274442 = 25632386567
BaseRepresentation
bin1010000000101100…
…1000110111001010
320221021120200112001
42200023020313022
521000420240232
61122353341214
7123410312236
oct24013106712
96837520461
102687274442
111159995076
1262bb6780a
1333a97c428
141b6c7d5c6
1510adbe6e7
hexa02c8dca

2687274442 has 8 divisors (see below), whose sum is σ = 4038073056. Its totient is φ = 1341250092.

The previous prime is 2687274433. The next prime is 2687274449. The reversal of 2687274442 is 2444727862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26872744422 = 14442887853252822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2687274392 and 2687274401.

It is not an unprimeable number, because it can be changed into a prime (2687274449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192158 + ... + 1194409.

It is an arithmetic number, because the mean of its divisors is an integer number (504759132).

Almost surely, 22687274442 is an apocalyptic number.

2687274442 is a deficient number, since it is larger than the sum of its proper divisors (1350798614).

2687274442 is a wasteful number, since it uses less digits than its factorization.

2687274442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387132.

The product of its digits is 1204224, while the sum is 46.

The square root of 2687274442 is about 51838.9278631416. The cubic root of 2687274442 is about 1390.2855445669.

The spelling of 2687274442 in words is "two billion, six hundred eighty-seven million, two hundred seventy-four thousand, four hundred forty-two".

Divisors: 1 2 563 1126 2386567 4773134 1343637221 2687274442