Search a number
-
+
2170400024 = 231331673201
BaseRepresentation
bin1000000101011101…
…1010110100011000
312121020222202010002
42001113122310120
513421110300044
6555211112132
7104533044602
oct20127326430
95536882102
102170400024
11a14152731
12506a42648
13287869790
14168374172
15ca82174e
hex815dad18

2170400024 has 32 divisors (see below), whose sum is σ = 4523917440. Its totient is φ = 969408000.

The previous prime is 2170399967. The next prime is 2170400033. The reversal of 2170400024 is 4200040712.

It is a junction number, because it is equal to n+sod(n) for n = 2170399969 and 2170400005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333377 + ... + 339824.

It is an arithmetic number, because the mean of its divisors is an integer number (141372420).

Almost surely, 22170400024 is an apocalyptic number.

It is an amenable number.

2170400024 is an abundant number, since it is smaller than the sum of its proper divisors (2353517416).

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

2170400024 is a wasteful number, since it uses less digits than its factorization.

2170400024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673251 (or 673247 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2170400024 is about 46587.5522430617. The cubic root of 2170400024 is about 1294.7321388117.

Adding to 2170400024 its reverse (4200040712), we get a palindrome (6370440736).

The spelling of 2170400024 in words is "two billion, one hundred seventy million, four hundred thousand, twenty-four".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 673201 1346402 2692804 5385608 8751613 17503226 20869231 35006452 41738462 70012904 83476924 166953848 271300003 542600006 1085200012 2170400024