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1982067238 = 27313575803
BaseRepresentation
bin111011000100011…
…1111001000100110
312010010121110002201
41312020333020212
513024402122423
6524402325114
7100055202454
oct16610771046
95103543081
101982067238
119279094a8
1247395979a
13257838b68
1414b34b9d4
15b901e2ad
hex7623f226

1982067238 has 8 divisors (see below), whose sum is σ = 3013828488. Its totient is φ = 977457744.

The previous prime is 1982067209. The next prime is 1982067253. The reversal of 1982067238 is 8327602891.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787756 + ... + 6788047.

It is an arithmetic number, because the mean of its divisors is an integer number (376728561).

Almost surely, 21982067238 is an apocalyptic number.

1982067238 is a deficient number, since it is larger than the sum of its proper divisors (1031761250).

1982067238 is a wasteful number, since it uses less digits than its factorization.

1982067238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575878.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1982067238 is about 44520.4137222466. The cubic root of 1982067238 is about 1256.1440947065.

The spelling of 1982067238 in words is "one billion, nine hundred eighty-two million, sixty-seven thousand, two hundred thirty-eight".

Divisors: 1 2 73 146 13575803 27151606 991033619 1982067238