Search a number
-
+
74393001 = 328265889
BaseRepresentation
bin1000110111100…
…10010110101001
312011222120000100
410123302112221
5123021034001
611214300013
71562221134
oct433622651
9164876010
1074393001
1138aa1621
1220ab7609
1312549237
149c4721b
1567e7586
hex46f25a9

74393001 has 6 divisors (see below), whose sum is σ = 107456570. Its totient is φ = 49595328.

The previous prime is 74392987. The next prime is 74393009. The reversal of 74393001 is 10039347.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 22553001 = 7200^2 + 4749^2 .

It is not a de Polignac number, because 74393001 - 215 = 74360233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74393009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4132936 + ... + 4132953.

Almost surely, 274393001 is an apocalyptic number.

It is an amenable number.

74393001 is a deficient number, since it is larger than the sum of its proper divisors (33063569).

74393001 is a wasteful number, since it uses less digits than its factorization.

74393001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265895 (or 8265892 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 74393001 is about 8625.1377380306. The cubic root of 74393001 is about 420.5755544559.

It can be divided in two parts, 7439 and 3001, that added together give a triangular number (10440 = T144).

The spelling of 74393001 in words is "seventy-four million, three hundred ninety-three thousand, one".

Divisors: 1 3 9 8265889 24797667 74393001