[go: up one dir, main page]

Search a number
-
+
74351401 = 891137393
BaseRepresentation
bin1000110111010…
…00001100101001
312011220102221121
410123220030221
5123013221101
611213335241
71561655635
oct433501451
9164812847
1074351401
1138a73343
1220a97521
1312533317
149c35dc5
1567da0a1
hex46e8329

74351401 has 8 divisors (see below), whose sum is σ = 75862440. Its totient is φ = 72855552.

The previous prime is 74351393. The next prime is 74351443. The reversal of 74351401 is 10415347.

It can be written as a sum of positive squares in 4 ways, for example, as 5875776 + 68475625 = 2424^2 + 8275^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74351401 - 23 = 74351393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74351461) 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, 6361 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (9482805).

Almost surely, 274351401 is an apocalyptic number.

It is an amenable number.

74351401 is a deficient number, since it is larger than the sum of its proper divisors (1511039).

74351401 is a wasteful number, since it uses less digits than its factorization.

74351401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 74351401 is about 8622.7258451142. The cubic root of 74351401 is about 420.4971456224.

Adding to 74351401 its reverse (10415347), we get a palindrome (84766748).

It can be divided in two parts, 7435 and 1401, that added together give a square (8836 = 942).

The spelling of 74351401 in words is "seventy-four million, three hundred fifty-one thousand, four hundred one".

Divisors: 1 89 113 7393 10057 657977 835409 74351401