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10402980 = 22357173147
BaseRepresentation
bin100111101011…
…110010100100
3201120112012120
4213223302210
510130343410
61010545540
7154265250
oct47536244
921515176
1010402980
115965a05
1235982b0
132203113
14154b260
15da7570
hex9ebca4

10402980 has 192 divisors, whose sum is σ = 37158912. Its totient is φ = 2119680.

The previous prime is 10402961. The next prime is 10402981. The reversal of 10402980 is 8920401.

It is a self number, because there is not a number n which added to its sum of digits gives 10402980.

It is not an unprimeable number, because it can be changed into a prime (10402981) by changing a digit.

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, 221317 + ... + 221363.

It is an arithmetic number, because the mean of its divisors is an integer number (193536).

Almost surely, 210402980 is an apocalyptic number.

10402980 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 10402980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18579456).

10402980 is an abundant number, since it is smaller than the sum of its proper divisors (26755932).

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

10402980 is a wasteful number, since it uses less digits than its factorization.

10402980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 10402980 is about 3225.3650956132. The cubic root of 10402980 is about 218.2994230238.

The spelling of 10402980 in words is "ten million, four hundred two thousand, nine hundred eighty".