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1029140 = 22577351
BaseRepresentation
bin11111011010000010100
31221021201022
43323100110
5230413030
634020312
711514260
oct3732024
91837638
101029140
11643232
12417698
132a0578
141cb0a0
15154de5
hexfb414

1029140 has 24 divisors (see below), whose sum is σ = 2470272. Its totient is φ = 352800.

The previous prime is 1029139. The next prime is 1029151. The reversal of 1029140 is 419201.

It is a happy number.

1029140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3536 + ... + 3815.

It is an arithmetic number, because the mean of its divisors is an integer number (102928).

21029140 is an apocalyptic number.

1029140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1029140 is an abundant number, since it is smaller than the sum of its proper divisors (1441132).

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

1029140 is a wasteful number, since it uses less digits than its factorization.

1029140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367 (or 7365 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1029140 is about 1014.4653764422. The cubic root of 1029140 is about 100.9620482840.

The spelling of 1029140 in words is "one million, twenty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 7351 14702 29404 36755 51457 73510 102914 147020 205828 257285 514570 1029140