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103345554 = 23138914887
BaseRepresentation
bin1100010100011…
…10110110010010
321012110111110010
412022032312102
5202424024204
614131015350
72363264664
oct612166622
9235414403
10103345554
1153377054
122a73a556
1318545520
14da22534
159115d89
hex628ed92

103345554 has 32 divisors (see below), whose sum is σ = 225106560. Its totient is φ = 31439232.

The previous prime is 103345549. The next prime is 103345573. The reversal of 103345554 is 455543301.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 502 + ... + 14385.

It is an arithmetic number, because the mean of its divisors is an integer number (7034580).

Almost surely, 2103345554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103345554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112553280).

103345554 is an abundant number, since it is smaller than the sum of its proper divisors (121761006).

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

103345554 is a wasteful number, since it uses less digits than its factorization.

103345554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14994.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 103345554 is about 10165.9015340500. The cubic root of 103345554 is about 469.2784370830.

Adding to 103345554 its reverse (455543301), we get a palindrome (558888855).

The spelling of 103345554 in words is "one hundred three million, three hundred forty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 89 178 267 534 1157 2314 3471 6942 14887 29774 44661 89322 193531 387062 580593 1161186 1324943 2649886 3974829 7949658 17224259 34448518 51672777 103345554