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102047244 = 22313654149
BaseRepresentation
bin1100001010100…
…01111000001100
321010000112111120
412011101320030
5202111002434
614043120540
72346246555
oct605217014
9233015446
10102047244
115266a672
122a213150
13181ac5b0
14d7a532c
158e5b349
hex6151e0c

102047244 has 24 divisors (see below), whose sum is σ = 256426800. Its totient is φ = 31399104.

The previous prime is 102047227. The next prime is 102047261. The reversal of 102047244 is 442740201.

It is an interprime number because it is at equal distance from previous prime (102047227) and next prime (102047261).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326919 + ... + 327230.

It is an arithmetic number, because the mean of its divisors is an integer number (10684450).

Almost surely, 2102047244 is an apocalyptic number.

It is an amenable number.

102047244 is an abundant number, since it is smaller than the sum of its proper divisors (154379556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102047244 is a wasteful number, since it uses less digits than its factorization.

102047244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654169 (or 654167 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 102047244 is about 10101.8435941169. The cubic root of 102047244 is about 467.3049987920.

Adding to 102047244 its reverse (442740201), we get a palindrome (544787445).

The spelling of 102047244 in words is "one hundred two million, forty-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 654149 1308298 1962447 2616596 3924894 7849788 8503937 17007874 25511811 34015748 51023622 102047244