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102231005 = 5223277331
BaseRepresentation
bin1100001011111…
…10101111011101
321010100212120112
412011332233131
5202132343010
614051055405
72350643402
oct605765735
9233325515
10102231005
1152785738
122a2a1565
1318245126
14d8122a9
158e95a05
hex617ebdd

102231005 has 16 divisors (see below), whose sum is σ = 124045824. Its totient is φ = 80879040.

The previous prime is 102230981. The next prime is 102231049. The reversal of 102231005 is 500132201.

It is a happy number.

It is not a de Polignac number, because 102231005 - 26 = 102230941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308690 + ... + 309020.

It is an arithmetic number, because the mean of its divisors is an integer number (7752864).

Almost surely, 2102231005 is an apocalyptic number.

It is an amenable number.

102231005 is a deficient number, since it is larger than the sum of its proper divisors (21814819).

102231005 is a wasteful number, since it uses less digits than its factorization.

102231005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102231005 is about 10110.9349221524. The cubic root of 102231005 is about 467.5853295396.

Adding to 102231005 its reverse (500132201), we get a palindrome (602363206).

The spelling of 102231005 in words is "one hundred two million, two hundred thirty-one thousand, five".

Divisors: 1 5 223 277 331 1115 1385 1655 61771 73813 91687 308855 369065 458435 20446201 102231005