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130549628 = 221114919913
BaseRepresentation
bin1111100100000…
…00011101111100
3100002122121102102
413302000131330
5231410042003
620542044232
73143440106
oct762003574
9302577372
10130549628
1167767960
1237879678
132107ba01
14134a4576
15b6db588
hex7c8077c

130549628 has 24 divisors (see below), whose sum is σ = 250916400. Its totient is φ = 58939520.

The previous prime is 130549609. The next prime is 130549717. The reversal of 130549628 is 826945031.

It is a happy number.

130549628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 130549591 and 130549600.

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, 3401 + ... + 16512.

It is an arithmetic number, because the mean of its divisors is an integer number (10454850).

Almost surely, 2130549628 is an apocalyptic number.

It is an amenable number.

130549628 is a deficient number, since it is larger than the sum of its proper divisors (120366772).

130549628 is a wasteful number, since it uses less digits than its factorization.

130549628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20077 (or 20075 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 130549628 is about 11425.8316108719. The cubic root of 130549628 is about 507.2926222045.

The spelling of 130549628 in words is "one hundred thirty million, five hundred forty-nine thousand, six hundred twenty-eight".

Divisors: 1 2 4 11 22 44 149 298 596 1639 3278 6556 19913 39826 79652 219043 438086 876172 2967037 5934074 11868148 32637407 65274814 130549628