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103030620 = 223571129769
BaseRepresentation
bin1100010010000…
…01111101011100
321011212111102220
412021001331130
5202333434440
614120145340
72360513550
oct611017534
9234774386
10103030620
1153181480
122a608250
1318465084
14d97d860
1590a28d0
hex6241f5c

103030620 has 192 divisors, whose sum is σ = 372556800. Its totient is φ = 20643840.

The previous prime is 103030619. The next prime is 103030637. The reversal of 103030620 is 26030301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103030620.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 133596 + ... + 134364.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2103030620 is an apocalyptic number.

103030620 is a gapful number since it is divisible by the number (10) 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 103030620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186278400).

103030620 is an abundant number, since it is smaller than the sum of its proper divisors (269526180).

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

103030620 is a wasteful number, since it uses less digits than its factorization.

103030620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 103030620 is about 10150.3999921185. The cubic root of 103030620 is about 468.8012608830.

Adding to 103030620 its reverse (26030301), we get a palindrome (129060921).

The spelling of 103030620 in words is "one hundred three million, thirty thousand, six hundred twenty".