Search a number
-
+
15234040 = 2351743521
BaseRepresentation
bin111010000111…
…001111111000
31001122222011201
4322013033320
512344442130
61302303544
7243326053
oct72071770
931588151
1015234040
118665618
125127bb4
133205033
142047a9a
15150dbca
hexe873f8

15234040 has 64 divisors (see below), whose sum is σ = 37208160. Its totient is φ = 5591040.

The previous prime is 15234017. The next prime is 15234059. The reversal of 15234040 is 4043251.

It is a junction number, because it is equal to n+sod(n) for n = 15233999 and 15234017.

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, 28980 + ... + 29500.

Almost surely, 215234040 is an apocalyptic number.

15234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18604080).

15234040 is an abundant number, since it is smaller than the sum of its proper divisors (21974120).

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

15234040 is a wasteful number, since it uses less digits than its factorization.

15234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 15234040 is about 3903.0808344179. The cubic root of 15234040 is about 247.8972432429.

Adding to 15234040 its reverse (4043251), we get a palindrome (19277291).

The spelling of 15234040 in words is "fifteen million, two hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 43 68 85 86 136 170 172 215 340 344 430 521 680 731 860 1042 1462 1720 2084 2605 2924 3655 4168 5210 5848 7310 8857 10420 14620 17714 20840 22403 29240 35428 44285 44806 70856 88570 89612 112015 177140 179224 224030 354280 380851 448060 761702 896120 1523404 1904255 3046808 3808510 7617020 15234040