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103245408 = 2533743397
BaseRepresentation
bin1100010011101…
…10011001100000
321012021102002000
412021312121200
5202412323113
614124524000
72362400010
oct611663140
9235242060
10103245408
1153308892
122a6b0600
131850ba76
14d9d7c40
1590e6373
hex6276660

103245408 has 192 divisors, whose sum is σ = 353041920. Its totient is φ = 28740096.

The previous prime is 103245349. The next prime is 103245419. The reversal of 103245408 is 804542301.

103245408 is a `hidden beast` number, since 10 + 3 + 245 + 408 = 666.

It is a super-2 number, since 2×1032454082 = 21319228546172928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259866 + ... + 260262.

It is an arithmetic number, because the mean of its divisors is an integer number (1838760).

Almost surely, 2103245408 is an apocalyptic number.

103245408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103245408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176520960).

103245408 is an abundant number, since it is smaller than the sum of its proper divisors (249796512).

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

103245408 is a wasteful number, since it uses less digits than its factorization.

103245408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 103245408 is about 10160.9747563903. The cubic root of 103245408 is about 469.1268048641.

Adding to 103245408 its reverse (804542301), we get a palindrome (907787709).

The spelling of 103245408 in words is "one hundred three million, two hundred forty-five thousand, four hundred eight".