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3938057430 = 2351083712113
BaseRepresentation
bin1110101010111001…
…1111110011010110
3101011110011001012220
43222232133303112
531031120314210
61450434123210
7166405635666
oct35256376326
911143131186
103938057430
111740a2691a
1291aa20506
134a9b444c8
1429502c1a6
15180adbc70
hexeab9fcd6

3938057430 has 32 divisors (see below), whose sum is σ = 9452990304. Its totient is φ = 1049965056.

The previous prime is 3938057411. The next prime is 3938057443. The reversal of 3938057430 is 347508393.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319054 + ... + 331166.

It is an arithmetic number, because the mean of its divisors is an integer number (295405947).

Almost surely, 23938057430 is an apocalyptic number.

3938057430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3938057430 is an abundant number, since it is smaller than the sum of its proper divisors (5514932874).

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

3938057430 is a wasteful number, since it uses less digits than its factorization.

3938057430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22960.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 3938057430 is about 62753.9435414222. The cubic root of 3938057430 is about 1579.1644128996.

The spelling of 3938057430 in words is "three billion, nine hundred thirty-eight million, fifty-seven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 10837 12113 21674 24226 32511 36339 54185 60565 65022 72678 108370 121130 162555 181695 325110 363390 131268581 262537162 393805743 656342905 787611486 1312685810 1969028715 3938057430