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103030473 = 3713834547
BaseRepresentation
bin1100010010000…
…01111011001001
321011212111020110
412021001323021
5202333433343
614120144533
72360513250
oct611017311
9234774213
10103030473
1153181357
122a608149
1318464ca0
14d97d797
1590a2833
hex6241ec9

103030473 has 32 divisors (see below), whose sum is σ = 171150336. Its totient is φ = 53679168.

The previous prime is 103030469. The next prime is 103030493. The reversal of 103030473 is 374030301.

It is not a de Polignac number, because 103030473 - 22 = 103030469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (103030493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20386 + ... + 24932.

It is an arithmetic number, because the mean of its divisors is an integer number (5348448).

Almost surely, 2103030473 is an apocalyptic number.

103030473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103030473 is a deficient number, since it is larger than the sum of its proper divisors (68119863).

103030473 is a wasteful number, since it uses less digits than its factorization.

103030473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 103030473 is about 10150.3927510220. The cubic root of 103030473 is about 468.8010379272.

Adding to 103030473 its reverse (374030301), we get a palindrome (477060774).

The spelling of 103030473 in words is "one hundred three million, thirty thousand, four hundred seventy-three".

Divisors: 1 3 7 13 21 39 83 91 249 273 581 1079 1743 3237 4547 7553 13641 22659 31829 59111 95487 177333 377401 413777 1132203 1241331 2641807 4906213 7925421 14718639 34343491 103030473