Search a number
-
+
74953420 = 2253747671
BaseRepresentation
bin1000111011110…
…11001011001100
312020001000202121
410131323023030
5123142002140
611234302324
71600044043
oct435731314
9166030677
1074953420
1139344683
12211279a4
13126b4349
149d5155a
1568a864a
hex477b2cc

74953420 has 12 divisors (see below), whose sum is σ = 157402224. Its totient is φ = 29981360.

The previous prime is 74953363. The next prime is 74953427. The reversal of 74953420 is 2435947.

It is not an unprimeable number, because it can be changed into a prime (74953427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1873816 + ... + 1873855.

It is an arithmetic number, because the mean of its divisors is an integer number (13116852).

Almost surely, 274953420 is an apocalyptic number.

It is an amenable number.

74953420 is an abundant number, since it is smaller than the sum of its proper divisors (82448804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74953420 is a wasteful number, since it uses less digits than its factorization.

74953420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747680 (or 3747678 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 74953420 is about 8657.5643226025. The cubic root of 74953420 is about 421.6290099183.

The spelling of 74953420 in words is "seventy-four million, nine hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3747671 7495342 14990684 18738355 37476710 74953420