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103401145 = 553390193
BaseRepresentation
bin1100010100111…
…00011010111001
321012120022201001
412022130122321
5202432314040
614132125001
72363616031
oct612343271
9235508631
10103401145
11534048a1
122a766761
1318564913
14da388c1
15912759a
hex629c6b9

103401145 has 8 divisors (see below), whose sum is σ = 126422856. Its totient is φ = 81159936.

The previous prime is 103401131. The next prime is 103401187. The reversal of 103401145 is 541104301.

It can be written as a sum of positive squares in 4 ways, for example, as 1411344 + 101989801 = 1188^2 + 10099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103401145 - 27 = 103401017 is a prime.

It is a super-2 number, since 2×1034011452 = 21383593574622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194832 + ... + 195361.

It is an arithmetic number, because the mean of its divisors is an integer number (15802857).

Almost surely, 2103401145 is an apocalyptic number.

It is an amenable number.

103401145 is a deficient number, since it is larger than the sum of its proper divisors (23021711).

103401145 is an equidigital number, since it uses as much as digits as its factorization.

103401145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390251.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 103401145 is about 10168.6353558381. The cubic root of 103401145 is about 469.3625657831.

Adding to 103401145 its reverse (541104301), we get a palindrome (644505446).

The spelling of 103401145 in words is "one hundred three million, four hundred one thousand, one hundred forty-five".

Divisors: 1 5 53 265 390193 1950965 20680229 103401145