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1982893042 = 213151505067
BaseRepresentation
bin111011000110000…
…1000101111110010
312010012011101220001
41312030020233302
513030110034132
6524432140214
7100065212164
oct16614105762
95105141801
101982893042
11928322989
1247409766a
13257a679c0
1414b4c4934
15b9133ce7
hex76308bf2

1982893042 has 16 divisors (see below), whose sum is σ = 3224354112. Its totient is φ = 909118800.

The previous prime is 1982893027. The next prime is 1982893069. The reversal of 1982893042 is 2403982891.

It is a junction number, because it is equal to n+sod(n) for n = 1982892983 and 1982893001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248608 + ... + 256459.

It is an arithmetic number, because the mean of its divisors is an integer number (201522132).

Almost surely, 21982893042 is an apocalyptic number.

1982893042 is a deficient number, since it is larger than the sum of its proper divisors (1241461070).

1982893042 is a wasteful number, since it uses less digits than its factorization.

1982893042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505233.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1982893042 is about 44529.6871985421. The cubic root of 1982893042 is about 1256.3185228268.

The spelling of 1982893042 in words is "one billion, nine hundred eighty-two million, eight hundred ninety-three thousand, forty-two".

Divisors: 1 2 13 26 151 302 1963 3926 505067 1010134 6565871 13131742 76265117 152530234 991446521 1982893042