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248042830 = 2573543469
BaseRepresentation
bin11101100100011…
…01010101001110
3122021201212210111
432302031111032
51001444332310
640340230234
76101220640
oct1662152516
9567655714
10248042830
11118017282
126b09b37a
133c508909
1424d2a890
1516b9928a
hexec8d54e

248042830 has 16 divisors (see below), whose sum is σ = 510259680. Its totient is φ = 85043232.

The previous prime is 248042827. The next prime is 248042843. The reversal of 248042830 is 38240842.

It is a junction number, because it is equal to n+sod(n) for n = 248042792 and 248042801.

It is a congruent number.

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, 1771665 + ... + 1771804.

It is an arithmetic number, because the mean of its divisors is an integer number (31891230).

Almost surely, 2248042830 is an apocalyptic number.

248042830 is an abundant number, since it is smaller than the sum of its proper divisors (262216850).

248042830 is a wasteful number, since it uses less digits than its factorization.

248042830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543483.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 248042830 is about 15749.3755431763. The cubic root of 248042830 is about 628.3122964967.

The spelling of 248042830 in words is "two hundred forty-eight million, forty-two thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 3543469 7086938 17717345 24804283 35434690 49608566 124021415 248042830