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103136430 = 2353437881
BaseRepresentation
bin1100010010110…
…11110010101110
321012001212120210
412021123302232
5202400331210
614122323250
72361434205
oct611336256
9235055523
10103136430
1153243a21
122a659526
13184a1297
14d9aa23c
1590c3e20
hex625bcae

103136430 has 16 divisors (see below), whose sum is σ = 247527504. Its totient is φ = 27503040.

The previous prime is 103136417. The next prime is 103136437. The reversal of 103136430 is 34631301.

It is a junction number, because it is equal to n+sod(n) for n = 103136397 and 103136406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103136437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718911 + ... + 1718970.

It is an arithmetic number, because the mean of its divisors is an integer number (15470469).

Almost surely, 2103136430 is an apocalyptic number.

103136430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103136430 is an abundant number, since it is smaller than the sum of its proper divisors (144391074).

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

103136430 is a wasteful number, since it uses less digits than its factorization.

103136430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437891.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 103136430 is about 10155.6107644986. The cubic root of 103136430 is about 468.9616885644.

Adding to 103136430 its reverse (34631301), we get a palindrome (137767731).

The spelling of 103136430 in words is "one hundred three million, one hundred thirty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3437881 6875762 10313643 17189405 20627286 34378810 51568215 103136430