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100081030 = 2572297043
BaseRepresentation
bin1011111011100…
…01110110000110
320222022122100211
411331301312012
5201110043110
613533030034
72323450300
oct575616606
9228278324
10100081030
11515473a5
122962531a
131797165a
14d412970
158bbd98a
hex5f71d86

100081030 has 48 divisors (see below), whose sum is σ = 216814320. Its totient is φ = 33125568.

The previous prime is 100080997. The next prime is 100081031. The reversal of 100081030 is 30180001.

It is a self number, because there is not a number n which added to its sum of digits gives 100081030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100081031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10689 + ... + 17731.

It is an arithmetic number, because the mean of its divisors is an integer number (4516965).

Almost surely, 2100081030 is an apocalyptic number.

100081030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100081030 is an abundant number, since it is smaller than the sum of its proper divisors (116733290).

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

100081030 is a wasteful number, since it uses less digits than its factorization.

100081030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 100081030 is about 10004.0506795997. The cubic root of 100081030 is about 464.2842188287.

The spelling of 100081030 in words is "one hundred million, eighty-one thousand, thirty".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 406 490 1015 1421 2030 2842 7043 7105 14086 14210 35215 49301 70430 98602 204247 246505 345107 408494 493010 690214 1021235 1429729 1725535 2042470 2859458 3451070 7148645 10008103 14297290 20016206 50040515 100081030