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103957428 = 2238663119
BaseRepresentation
bin1100011001001…
…00001110110100
321020121120210010
412030210032310
5203103114203
614152100220
72401423611
oct614441664
9236546703
10103957428
1153754833
122a994670
13186cab93
14db41508
1591d7303
hex63243b4

103957428 has 12 divisors (see below), whose sum is σ = 242567360. Its totient is φ = 34652472.

The previous prime is 103957421. The next prime is 103957439. The reversal of 103957428 is 824759301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103957421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4331548 + ... + 4331571.

Almost surely, 2103957428 is an apocalyptic number.

It is an amenable number.

103957428 is an abundant number, since it is smaller than the sum of its proper divisors (138609932).

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

103957428 is a wasteful number, since it uses less digits than its factorization.

103957428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663126 (or 8663124 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 103957428 is about 10195.9515495122. The cubic root of 103957428 is about 470.2027614659.

The spelling of 103957428 in words is "one hundred three million, nine hundred fifty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 8663119 17326238 25989357 34652476 51978714 103957428