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103400380 = 22543120233
BaseRepresentation
bin1100010100111…
…00001110111100
321012120021122201
412022130032330
5202432303010
614132121244
72363613556
oct612341674
9235507581
10103400380
1153404266
122a766224
1318564475
14da384d6
15912723a
hex629c3bc

103400380 has 24 divisors (see below), whose sum is σ = 222192432. Its totient is φ = 40397952.

The previous prime is 103400377. The next prime is 103400419. The reversal of 103400380 is 83004301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59257 + ... + 60976.

It is an arithmetic number, because the mean of its divisors is an integer number (9258018).

Almost surely, 2103400380 is an apocalyptic number.

103400380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103400380 is an abundant number, since it is smaller than the sum of its proper divisors (118792052).

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

103400380 is a wasteful number, since it uses less digits than its factorization.

103400380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120285 (or 120283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103400380 is about 10168.5977401016. The cubic root of 103400380 is about 469.3614082741.

Adding to 103400380 its reverse (83004301), we get a palindrome (186404681).

The spelling of 103400380 in words is "one hundred three million, four hundred thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 120233 240466 480932 601165 1202330 2404660 5170019 10340038 20680076 25850095 51700190 103400380