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103143100 = 22521031431
BaseRepresentation
bin1100010010111…
…01011010111100
321012002012201211
412021131122330
5202401034400
614122414204
72361462514
oct611353274
9235065654
10103143100
1153248a35
122a661364
13184a4328
14d9ac844
1590c5dba
hex625d6bc

103143100 has 18 divisors (see below), whose sum is σ = 223820744. Its totient is φ = 41257200.

The previous prime is 103143011. The next prime is 103143113. The reversal of 103143100 is 1341301.

It is a super-2 number, since 2×1031431002 = 21276998155220000, 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 5 ways as a sum of consecutive naturals, for example, 515616 + ... + 515815.

Almost surely, 2103143100 is an apocalyptic number.

103143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103143100 is an abundant number, since it is smaller than the sum of its proper divisors (120677644).

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

103143100 is a wasteful number, since it uses less digits than its factorization.

103143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031445 (or 1031438 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103143100 is about 10155.9391490891. The cubic root of 103143100 is about 468.9717978505.

Adding to 103143100 its reverse (1341301), we get a palindrome (104484401).

The spelling of 103143100 in words is "one hundred three million, one hundred forty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1031431 2062862 4125724 5157155 10314310 20628620 25785775 51571550 103143100