Search a number
-
+
142378004 = 2223712307
BaseRepresentation
bin10000111110010…
…00010000010100
3100220220112220102
420133020100110
5242422044004
622043353232
73346123136
oct1037102024
9326815812
10142378004
117340677a
123b822818
1323660852
1414ca3056
15c77611e
hex87c8414

142378004 has 36 divisors (see below), whose sum is σ = 264567072. Its totient is φ = 66916080.

The previous prime is 142378003. The next prime is 142378037. The reversal of 142378004 is 400873241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142378003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463619 + ... + 463925.

Almost surely, 2142378004 is an apocalyptic number.

It is an amenable number.

142378004 is a deficient number, since it is larger than the sum of its proper divisors (122189068).

142378004 is a wasteful number, since it uses less digits than its factorization.

142378004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 142378004 is about 11932.2254420540. The cubic root of 142378004 is about 522.1728654391.

The spelling of 142378004 in words is "one hundred forty-two million, three hundred seventy-eight thousand, four".

Divisors: 1 2 4 23 46 71 92 142 284 307 614 1228 1633 3266 5041 6532 7061 10082 14122 20164 21797 28244 43594 87188 115943 231886 463772 501331 1002662 1547587 2005324 3095174 6190348 35594501 71189002 142378004