Search a number
-
+
146257260 = 22356189449
BaseRepresentation
bin10001011011110…
…11010101101100
3101012012122020120
420231323111230
5244420213020
622302444540
73424111002
oct1055732554
9335178216
10146257260
1175616276
1240b93750
13243bb476
14155d2a72
15cc90740
hex8b7b56c

146257260 has 96 divisors (see below), whose sum is σ = 421848000. Its totient is φ = 37847040.

The previous prime is 146257259. The next prime is 146257261. The reversal of 146257260 is 62752641.

146257260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (146257259) and next prime (146257261).

It is a super-2 number, since 2×1462572602 = 42782372205415200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146257261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325516 + ... + 325964.

It is an arithmetic number, because the mean of its divisors is an integer number (4394250).

Almost surely, 2146257260 is an apocalyptic number.

146257260 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 146257260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210924000).

146257260 is an abundant number, since it is smaller than the sum of its proper divisors (275590740).

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

146257260 is a wasteful number, since it uses less digits than its factorization.

146257260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 146257260 is about 12093.6867827805. The cubic root of 146257260 is about 526.8728393957.

The spelling of 146257260 in words is "one hundred forty-six million, two hundred fifty-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 61 89 122 178 183 244 267 305 356 366 445 449 534 610 732 890 898 915 1068 1220 1335 1347 1780 1796 1830 2245 2670 2694 3660 4490 5340 5388 5429 6735 8980 10858 13470 16287 21716 26940 27145 27389 32574 39961 54290 54778 65148 79922 81435 82167 108580 109556 119883 136945 159844 162870 164334 199805 239766 273890 325740 328668 399610 410835 479532 547780 599415 799220 821670 1198830 1643340 2397660 2437621 4875242 7312863 9750484 12188105 14625726 24376210 29251452 36564315 48752420 73128630 146257260