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103020541 = 132609589
BaseRepresentation
bin1100010001111…
…11011111111101
321011211222121121
412020333133331
5202333124131
614120030541
72360442301
oct610773775
9234758547
10103020541
1153174948
122a602451
1318460600
14d979d01
15909e911
hex623f7fd

103020541 has 6 divisors (see below), whose sum is σ = 111554970. Its totient is φ = 95095728.

The previous prime is 103020529. The next prime is 103020551. The reversal of 103020541 is 145020301.

It can be written as a sum of positive squares in 3 ways, for example, as 1313316 + 101707225 = 1146^2 + 10085^2 .

It is not a de Polignac number, because 103020541 - 217 = 102889469 is a prime.

It is a super-2 number, since 2×1030205412 = 21226463735865362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103020551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304626 + ... + 304963.

It is an arithmetic number, because the mean of its divisors is an integer number (18592495).

Almost surely, 2103020541 is an apocalyptic number.

It is an amenable number.

103020541 is a deficient number, since it is larger than the sum of its proper divisors (8534429).

103020541 is an equidigital number, since it uses as much as digits as its factorization.

103020541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609615 (or 609602 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 103020541 is about 10149.9034970782. The cubic root of 103020541 is about 468.7859735118.

Adding to 103020541 its reverse (145020301), we get a palindrome (248040842).

The spelling of 103020541 in words is "one hundred three million, twenty thousand, five hundred forty-one".

Divisors: 1 13 169 609589 7924657 103020541