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103229680 = 2451290371
BaseRepresentation
bin1100010011100…
…10100011110000
321012020121111111
412021302203300
5202411322210
614124323104
72362303111
oct611624360
9235217444
10103229680
11532a7a94
122a6a3494
1318504868
14d9d2208
1590e188a
hex62728f0

103229680 has 20 divisors (see below), whose sum is σ = 240009192. Its totient is φ = 41291840.

The previous prime is 103229657. The next prime is 103229683. The reversal of 103229680 is 86922301.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103229683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645106 + ... + 645265.

Almost surely, 2103229680 is an apocalyptic number.

103229680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103229680 is an abundant number, since it is smaller than the sum of its proper divisors (136779512).

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

103229680 is a wasteful number, since it uses less digits than its factorization.

103229680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290384 (or 1290378 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 103229680 is about 10160.2007854176. The cubic root of 103229680 is about 469.1029820093.

It can be divided in two parts, 10322 and 9680, that added together give a palindrome (20002).

The spelling of 103229680 in words is "one hundred three million, two hundred twenty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1290371 2580742 5161484 6451855 10322968 12903710 20645936 25807420 51614840 103229680