[go: up one dir, main page]

Search a number
-
+
74381177 = 1317333073
BaseRepresentation
bin1000110111011…
…11011101111001
312011221221210102
410123233131321
5123020144202
611214125145
71562141513
oct433573571
9164857712
1074381177
1138a93752
1220ab07b5
1312543a40
149c42bb3
1567e3d02
hex46ef779

74381177 has 8 divisors (see below), whose sum is σ = 80568264. Its totient is φ = 68260608.

The previous prime is 74381117. The next prime is 74381179. The reversal of 74381177 is 77118347.

It can be written as a sum of positive squares in 4 ways, for example, as 12538681 + 61842496 = 3541^2 + 7864^2 .

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

It is not a de Polignac number, because 74381177 - 214 = 74364793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74381177.

It is not an unprimeable number, because it can be changed into a prime (74381179) 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, 14288 + ... + 18785.

It is an arithmetic number, because the mean of its divisors is an integer number (10071033).

Almost surely, 274381177 is an apocalyptic number.

It is an amenable number.

74381177 is a deficient number, since it is larger than the sum of its proper divisors (6187087).

74381177 is a wasteful number, since it uses less digits than its factorization.

74381177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33259.

The product of its digits is 32928, while the sum is 38.

The square root of 74381177 is about 8624.4522724635. The cubic root of 74381177 is about 420.5532712268.

The spelling of 74381177 in words is "seventy-four million, three hundred eighty-one thousand, one hundred seventy-seven".

Divisors: 1 13 173 2249 33073 429949 5721629 74381177