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103045531 = 1961671327
BaseRepresentation
bin1100010010001…
…01100110011011
321011220020220011
412021011212123
5202334424111
614120342351
72360605201
oct611054633
9234806804
10103045531
11531916a6
122a6149b7
131846bab4
14d985071
1590a7021
hex624599b

103045531 has 16 divisors (see below), whose sum is σ = 111976960. Its totient is φ = 94517280.

The previous prime is 103045511. The next prime is 103045541. The reversal of 103045531 is 135540301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103045531 - 25 = 103045499 is a prime.

It is a super-2 number, since 2×1030455312 = 21236762918143922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103045511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 76990 + ... + 78316.

It is an arithmetic number, because the mean of its divisors is an integer number (6998560).

Almost surely, 2103045531 is an apocalyptic number.

103045531 is a deficient number, since it is larger than the sum of its proper divisors (8931429).

103045531 is a wasteful number, since it uses less digits than its factorization.

103045531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 103045531 is about 10151.1344686198. The cubic root of 103045531 is about 468.8238753847.

Adding to 103045531 its reverse (135540301), we get a palindrome (238585832).

The spelling of 103045531 in words is "one hundred three million, forty-five thousand, five hundred thirty-one".

Divisors: 1 19 61 67 1159 1273 1327 4087 25213 77653 80947 88909 1537993 1689271 5423449 103045531