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2387992 = 23319629
BaseRepresentation
bin1001000111000000011000
311111022201011
421013000120
51102403432
6123103304
726204035
oct11070030
94438634
102387992
111391152
12971b34
13657c19
1446238c
15322847
hex247018

2387992 has 16 divisors (see below), whose sum is σ = 4622400. Its totient is φ = 1155360.

The previous prime is 2387971. The next prime is 2388013. The reversal of 2387992 is 2997832.

2387992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2387971) and next prime (2388013).

It is a d-powerful number, because it can be written as 22 + 313 + 82 + 7 + 9 + 96 + 218 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4567 + ... + 5062.

It is an arithmetic number, because the mean of its divisors is an integer number (288900).

22387992 is an apocalyptic number.

It is an amenable number.

2387992 is a deficient number, since it is larger than the sum of its proper divisors (2234408).

2387992 is a wasteful number, since it uses less digits than its factorization.

2387992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666 (or 9662 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 2387992 is about 1545.3129132962. The cubic root of 2387992 is about 133.6629234950.

The spelling of 2387992 in words is "two million, three hundred eighty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 31 62 124 248 9629 19258 38516 77032 298499 596998 1193996 2387992