Search a number
-
+
1428740074 = 21937598423
BaseRepresentation
bin101010100101000…
…1101011111101010
310200120102111221001
41111022031133222
510411224140244
6353434505214
750256042646
oct12512153752
93616374831
101428740074
11673539623
1233a59520a
1319a002138
14d7a73c26
15856705d4
hex5528d7ea

1428740074 has 8 divisors (see below), whose sum is σ = 2255905440. Its totient is φ = 676771596.

The previous prime is 1428740069. The next prime is 1428740083. The reversal of 1428740074 is 4700478241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18799174 + ... + 18799249.

It is an arithmetic number, because the mean of its divisors is an integer number (281988180).

Almost surely, 21428740074 is an apocalyptic number.

1428740074 is a deficient number, since it is larger than the sum of its proper divisors (827165366).

1428740074 is a wasteful number, since it uses less digits than its factorization.

1428740074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37598444.

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 1428740074 is about 37798.6782044029. The cubic root of 1428740074 is about 1126.2921972296.

The spelling of 1428740074 in words is "one billion, four hundred twenty-eight million, seven hundred forty thousand, seventy-four".

Divisors: 1 2 19 38 37598423 75196846 714370037 1428740074