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103027280 = 2451287841
BaseRepresentation
bin1100010010000…
…01001001010000
321011212022212012
412021001021100
5202333333110
614120122052
72360501036
oct611011120
9234768765
10103027280
1153179a14
122a606328
13184636b5
14d97c556
1590a1905
hex6241250

103027280 has 20 divisors (see below), whose sum is σ = 239538612. Its totient is φ = 41210880.

The previous prime is 103027279. The next prime is 103027313. The reversal of 103027280 is 82720301.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 43983424 = 7684^2 + 6632^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1030272802 = 21229240848396800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643841 + ... + 644000.

Almost surely, 2103027280 is an apocalyptic number.

103027280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103027280 is an abundant number, since it is smaller than the sum of its proper divisors (136511332).

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

103027280 is a wasteful number, since it uses less digits than its factorization.

103027280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287854 (or 1287848 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 103027280 is about 10150.2354652491. The cubic root of 103027280 is about 468.7961950325.

Adding to 103027280 its reverse (82720301), we get a palindrome (185747581).

The spelling of 103027280 in words is "one hundred three million, twenty-seven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1287841 2575682 5151364 6439205 10302728 12878410 20605456 25756820 51513640 103027280