Search a number
-
+
249283023 = 31137204163
BaseRepresentation
bin11101101101111…
…00000111001111
3122101001220000120
432312330013033
51002304024043
640423000023
76114604443
oct1666740717
9571056016
10249283023
11118794030
126b599013
133c851262
1425170823
1516d41983
hexedbc1cf

249283023 has 16 divisors (see below), whose sum is σ = 372395136. Its totient is φ = 146996640.

The previous prime is 249283007. The next prime is 249283033. The reversal of 249283023 is 320382942.

It is not a de Polignac number, because 249283023 - 24 = 249283007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249283033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100861 + ... + 103302.

It is an arithmetic number, because the mean of its divisors is an integer number (23274696).

Almost surely, 2249283023 is an apocalyptic number.

249283023 is a deficient number, since it is larger than the sum of its proper divisors (123112113).

249283023 is a wasteful number, since it uses less digits than its factorization.

249283023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204214.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 249283023 is about 15788.6992181117. The cubic root of 249283023 is about 629.3577253787.

The spelling of 249283023 in words is "two hundred forty-nine million, two hundred eighty-three thousand, twenty-three".

Divisors: 1 3 11 33 37 111 407 1221 204163 612489 2245793 6737379 7554031 22662093 83094341 249283023