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103253420 = 2255162671
BaseRepresentation
bin1100010011110…
…00010110101100
321012021211001202
412021320112230
5202413102140
614125025032
72362432244
oct611702654
9235254052
10103253420
1153313906
122a6b5178
13185125ca
14d9dab24
1590e8915
hex62785ac

103253420 has 12 divisors (see below), whose sum is σ = 216832224. Its totient is φ = 41301360.

The previous prime is 103253401. The next prime is 103253459. The reversal of 103253420 is 24352301.

It is a happy number.

It is a super-2 number, since 2×1032534202 = 21322537483392800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5162671 = 103253420 / (1 + 0 + 3 + 2 + 5 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 103253392 and 103253401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581316 + ... + 2581355.

It is an arithmetic number, because the mean of its divisors is an integer number (18069352).

Almost surely, 2103253420 is an apocalyptic number.

103253420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103253420 is an abundant number, since it is smaller than the sum of its proper divisors (113578804).

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

103253420 is a wasteful number, since it uses less digits than its factorization.

103253420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162680 (or 5162678 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 103253420 is about 10161.3690022556. The cubic root of 103253420 is about 469.1389395337.

The spelling of 103253420 in words is "one hundred three million, two hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5162671 10325342 20650684 25813355 51626710 103253420