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42277983 = 3111967429
BaseRepresentation
bin1010000101000…
…1110001011111
32221112221111020
42201101301133
541310343413
64110055223
71022233266
oct241216137
987487436
1042277983
1121957090
12121aa513
1389b3677
1458875dd
153aa1c23
hex2851c5f

42277983 has 16 divisors (see below), whose sum is σ = 64732800. Its totient is φ = 24274080.

The previous prime is 42277981. The next prime is 42277993. The reversal of 42277983 is 38977224.

42277983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42277983 - 21 = 42277981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42277981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33088 + ... + 34341.

It is an arithmetic number, because the mean of its divisors is an integer number (4045800).

Almost surely, 242277983 is an apocalyptic number.

42277983 is a deficient number, since it is larger than the sum of its proper divisors (22454817).

42277983 is a wasteful number, since it uses less digits than its factorization.

42277983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67462.

The product of its digits is 169344, while the sum is 42.

The square root of 42277983 is about 6502.1521821625. The cubic root of 42277983 is about 348.3678647319.

The spelling of 42277983 in words is "forty-two million, two hundred seventy-seven thousand, nine hundred eighty-three".

Divisors: 1 3 11 19 33 57 209 627 67429 202287 741719 1281151 2225157 3843453 14092661 42277983