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100424120 = 23519132137
BaseRepresentation
bin1011111110001…
…01100110111000
320222222001222212
411333011212320
5201202032440
613544234252
72326406456
oct577054670
9228861885
10100424120
1151761145
122976b988
1317a61874
14d4a19d6
158c3a465
hex5fc59b8

100424120 has 32 divisors (see below), whose sum is σ = 237848400. Its totient is φ = 38055168.

The previous prime is 100424087. The next prime is 100424123. The reversal of 100424120 is 21424001.

It is a junction number, because it is equal to n+sod(n) for n = 100424095 and 100424104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100424123) 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, 65309 + ... + 66828.

Almost surely, 2100424120 is an apocalyptic number.

100424120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100424120 is an abundant number, since it is smaller than the sum of its proper divisors (137424280).

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

100424120 is a wasteful number, since it uses less digits than its factorization.

100424120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132167 (or 132163 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100424120 is about 10021.1835628333. The cubic root of 100424120 is about 464.8141547389.

Adding to 100424120 its reverse (21424001), we get a palindrome (121848121).

The spelling of 100424120 in words is "one hundred million, four hundred twenty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 132137 264274 528548 660685 1057096 1321370 2510603 2642740 5021206 5285480 10042412 12553015 20084824 25106030 50212060 100424120