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102231242 = 2316127031
BaseRepresentation
bin1100001011111…
…10110011001010
321010100212220022
412011332303022
5202132344432
614051100442
72350644161
oct605766312
9233325808
10102231242
1152785933
122a2a1722
1318245279
14d8123d8
158e95b12
hex617ecca

102231242 has 16 divisors (see below), whose sum is σ = 160894464. Its totient is φ = 48654000.

The previous prime is 102231193. The next prime is 102231277. The reversal of 102231242 is 242132201.

It is a self number, because there is not a number n which added to its sum of digits gives 102231242.

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, 9734 + ... + 17297.

It is an arithmetic number, because the mean of its divisors is an integer number (10055904).

Almost surely, 2102231242 is an apocalyptic number.

102231242 is a deficient number, since it is larger than the sum of its proper divisors (58663222).

102231242 is a wasteful number, since it uses less digits than its factorization.

102231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27125.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102231242 is about 10110.9466421300. The cubic root of 102231242 is about 467.5856908705.

Adding to 102231242 its reverse (242132201), we get a palindrome (344363443).

The spelling of 102231242 in words is "one hundred two million, two hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 31 61 62 122 1891 3782 27031 54062 837961 1648891 1675922 3297782 51115621 102231242