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2150460 = 2232513919
BaseRepresentation
bin1000001101000000111100
311001020212200
420031000330
51022303320
6114031500
724164364
oct10150074
94036780
102150460
111239744
12878590
135a3a80
143dd9a4
152c7290
hex20d03c

2150460 has 72 divisors (see below), whose sum is σ = 7032480. Its totient is φ = 528768.

The previous prime is 2150453. The next prime is 2150471. The reversal of 2150460 is 640512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1881 + ... + 2799.

22150460 is an apocalyptic number.

2150460 is a gapful number since it is divisible by the number (20) 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 2150460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3516240).

2150460 is an abundant number, since it is smaller than the sum of its proper divisors (4882020).

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

2150460 is a wasteful number, since it uses less digits than its factorization.

2150460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2150460 is about 1466.4446801704. Note that the first 3 decimals coincide. The cubic root of 2150460 is about 129.0754921385.

Adding to 2150460 its reverse (640512), we get a palindrome (2790972).

The spelling of 2150460 in words is "two million, one hundred fifty thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 919 1170 1838 2340 2757 3676 4595 5514 8271 9190 11028 11947 13785 16542 18380 23894 27570 33084 35841 41355 47788 55140 59735 71682 82710 107523 119470 143364 165420 179205 215046 238940 358410 430092 537615 716820 1075230 2150460