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102231488 = 265330139
BaseRepresentation
bin1100001011111…
…10110111000000
321010100220020102
412011332313000
5202132401423
614051101532
72350644662
oct605766700
9233326212
10102231488
1152786037
122a2a18a8
1318245408
14d812532
158e95c28
hex617edc0

102231488 has 28 divisors (see below), whose sum is σ = 206700120. Its totient is φ = 50149632.

The previous prime is 102231473. The next prime is 102231497. The reversal of 102231488 is 884132201.

It is a self number, because there is not a number n which added to its sum of digits gives 102231488.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11678 + ... + 18461.

Almost surely, 2102231488 is an apocalyptic number.

It is an amenable number.

102231488 is an abundant number, since it is smaller than the sum of its proper divisors (104468632).

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

102231488 is an equidigital number, since it uses as much as digits as its factorization.

102231488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30204 (or 30194 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 102231488 is about 10110.9588071557. The cubic root of 102231488 is about 467.5860659221.

Adding to 102231488 its reverse (884132201), we get a palindrome (986363689).

It can be divided in two parts, 10223 and 1488, that added together give a palindrome (11711).

The spelling of 102231488 in words is "one hundred two million, two hundred thirty-one thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 1696 3392 30139 60278 120556 241112 482224 964448 1597367 1928896 3194734 6389468 12778936 25557872 51115744 102231488