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103261380 = 22351721023
BaseRepresentation
bin1100010011110…
…10010011000100
321012022012222120
412021322103010
5202413331010
614125125540
72362464405
oct611722304
9235265876
10103261380
1153319892
122a6b98b0
1318516111
14d9dd9ac
1590eae70
hex627a4c4

103261380 has 24 divisors (see below), whose sum is σ = 289132032. Its totient is φ = 27536352.

The previous prime is 103261363. The next prime is 103261381. The reversal of 103261380 is 83162301.

It is a self number, because there is not a number n which added to its sum of digits gives 103261380.

It is not an unprimeable number, because it can be changed into a prime (103261381) 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, 860452 + ... + 860571.

It is an arithmetic number, because the mean of its divisors is an integer number (12047168).

Almost surely, 2103261380 is an apocalyptic number.

103261380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103261380 is an abundant number, since it is smaller than the sum of its proper divisors (185870652).

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

103261380 is a wasteful number, since it uses less digits than its factorization.

103261380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721035 (or 1721033 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 103261380 is about 10161.7606742139. The cubic root of 103261380 is about 469.1509948245.

The spelling of 103261380 in words is "one hundred three million, two hundred sixty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1721023 3442046 5163069 6884092 8605115 10326138 17210230 20652276 25815345 34420460 51630690 103261380