Search a number
-
+
1377420333 = 31943561983
BaseRepresentation
bin101001000011001…
…1100010000101101
310112222212012110220
41102012130100231
510310104422313
6344402521553
746063610502
oct12206342055
93488765426
101377420333
11647577313
123253662b9
1318c4a4123
14d0d154a9
1580dd4823
hex5219c42d

1377420333 has 16 divisors (see below), whose sum is σ = 1978183680. Its totient is φ = 849716784.

The previous prime is 1377420311. The next prime is 1377420347. The reversal of 1377420333 is 3330247731.

It is not a de Polignac number, because 1377420333 - 29 = 1377419821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377420294 and 1377420303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377420353) 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 15 ways as a sum of consecutive naturals, for example, 278541 + ... + 283442.

It is an arithmetic number, because the mean of its divisors is an integer number (123636480).

Almost surely, 21377420333 is an apocalyptic number.

It is an amenable number.

1377420333 is a deficient number, since it is larger than the sum of its proper divisors (600763347).

1377420333 is a wasteful number, since it uses less digits than its factorization.

1377420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562048.

The product of its (nonzero) digits is 31752, while the sum is 33.

The square root of 1377420333 is about 37113.6138499069. The cubic root of 1377420333 is about 1112.6421200922.

It can be divided in two parts, 13 and 77420333, that added together give a triangular number (77420346 = T12443).

The spelling of 1377420333 in words is "one billion, three hundred seventy-seven million, four hundred twenty thousand, three hundred thirty-three".

Divisors: 1 3 19 43 57 129 817 2451 561983 1685949 10677677 24165269 32033031 72495807 459140111 1377420333