Search a number
-
+
3689470239 = 3741331241
BaseRepresentation
bin1101101111101000…
…1101100100011111
3100112010101111200220
43123322031210133
530024001021424
61410034052423
7160266660000
oct33372154437
910463344626
103689470239
111623678664
1286b71a113
1346a4a7bb0
1426dddd1a7
15168d86579
hexdbe8d91f

3689470239 has 120 divisors (see below), whose sum is σ = 6541836336. Its totient is φ = 1837382400.

The previous prime is 3689470231. The next prime is 3689470241. The reversal of 3689470239 is 9320749863.

It is not a de Polignac number, because 3689470239 - 23 = 3689470231 is a prime.

It is a super-2 number, since 2×36894702392 = 27224381288933434242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3689470191 and 3689470200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689470231) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 89987059 + ... + 89987099.

Almost surely, 23689470239 is an apocalyptic number.

3689470239 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3689470239 is a deficient number, since it is larger than the sum of its proper divisors (2852366097).

3689470239 is an equidigital number, since it uses as much as digits as its factorization.

3689470239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 3689470239 is about 60741.0095322756. The cubic root of 3689470239 is about 1545.2117567757.

The spelling of 3689470239 in words is "three billion, six hundred eighty-nine million, four hundred seventy thousand, two hundred thirty-nine".

Divisors: 1 3 7 13 21 31 39 41 49 91 93 123 147 217 273 287 343 403 533 637 651 861 961 1029 1209 1271 1519 1599 1911 2009 2401 2821 2883 3731 3813 4459 4557 6027 6727 7203 8463 8897 10633 11193 12493 13377 14063 16523 19747 20181 26117 26691 31213 31899 37479 39401 42189 47089 49569 59241 62279 74431 78351 87451 93639 98441 115661 118203 138229 141267 182819 186837 223293 262353 275807 295323 329623 346983 414687 435953 512213 548457 612157 809627 827421 967603 988869 1279733 1307859 1536639 1836471 1930649 2307361 2428881 2902809 3051671 3585491 3839199 4285099 5667389 5791947 6922083 9155013 10756473 12855297 13514543 17002167 25098437 29995693 39671723 40543629 75295311 89987079 94601801 119015169 175689059 283805403 527067177 1229823413 3689470239