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10102032 = 243231273
BaseRepresentation
bin100110100010…
…010100010000
3201000020101100
4212202110100
510041231112
61000304400
7151602663
oct46422420
921006340
1010102032
11577a896
123472100
132129145
1414ad6da
15d482dc
hex9a2510

10102032 has 90 divisors (see below), whose sum is σ = 29613246. Its totient is φ = 3214080.

The previous prime is 10102019. The next prime is 10102049. The reversal of 10102032 is 23020101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 1245456 = 2976^2 + 1116^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 138348 + ... + 138420.

Almost surely, 210102032 is an apocalyptic number.

10102032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10102032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14806623).

10102032 is an abundant number, since it is smaller than the sum of its proper divisors (19511214).

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

10102032 is a wasteful number, since it uses less digits than its factorization.

10102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10102032 is about 3178.3693932581. The cubic root of 10102032 is about 216.1737285456.

Adding to 10102032 its reverse (23020101), we get a palindrome (33122133).

The spelling of 10102032 in words is "ten million, one hundred two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 73 93 124 144 146 186 219 248 279 292 372 438 496 558 584 657 744 876 961 1116 1168 1314 1488 1752 1922 2232 2263 2628 2883 3504 3844 4464 4526 5256 5766 6789 7688 8649 9052 10512 11532 13578 15376 17298 18104 20367 23064 27156 34596 36208 40734 46128 54312 69192 70153 81468 108624 138384 140306 162936 210459 280612 325872 420918 561224 631377 841836 1122448 1262754 1683672 2525508 3367344 5051016 10102032