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1982053672 = 23247756709
BaseRepresentation
bin111011000100011…
…1011110100101000
312010010120202111021
41312020323310220
513024401204142
6524402142224
7100055115064
oct16610736450
95103522437
101982053672
119278aa295
12473951974
13257832931
1414b346aa4
15b901a267
hex7623bd28

1982053672 has 8 divisors (see below), whose sum is σ = 3716350650. Its totient is φ = 991026832.

The previous prime is 1982053669. The next prime is 1982053687. The reversal of 1982053672 is 2763502891.

It can be written as a sum of positive squares in only one way, i.e., 1836465316 + 145588356 = 42854^2 + 12066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123878347 + ... + 123878362.

Almost surely, 21982053672 is an apocalyptic number.

It is an amenable number.

1982053672 is a deficient number, since it is larger than the sum of its proper divisors (1734296978).

1982053672 is a wasteful number, since it uses less digits than its factorization.

1982053672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247756715 (or 247756711 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1982053672 is about 44520.2613649111. The cubic root of 1982053672 is about 1256.1412288620.

The spelling of 1982053672 in words is "one billion, nine hundred eighty-two million, fifty-three thousand, six hundred seventy-two".

Divisors: 1 2 4 8 247756709 495513418 991026836 1982053672