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1461456 = 243317199
BaseRepresentation
bin101100100110011010000
32202020202000
411210303100
5333231311
651154000
715264543
oct5446320
92666660
101461456
11909017
125a5900
133c2289
142a085a
151dd056
hex164cd0

1461456 has 80 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 456192.

The previous prime is 1461451. The next prime is 1461479. The reversal of 1461456 is 6541641.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7245 + ... + 7443.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

21461456 is an apocalyptic number.

1461456 is a gapful number since it is divisible by the number (16) 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 1461456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232000).

1461456 is an abundant number, since it is smaller than the sum of its proper divisors (3002544).

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

1461456 is a wasteful number, since it uses less digits than its factorization.

1461456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 221 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1461456 is about 1208.9069443096. The cubic root of 1461456 is about 113.4824181788.

The spelling of 1461456 in words is "one million, four hundred sixty-one thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 48 51 54 68 72 102 108 136 144 153 199 204 216 272 306 398 408 432 459 597 612 796 816 918 1194 1224 1592 1791 1836 2388 2448 3184 3383 3582 3672 4776 5373 6766 7164 7344 9552 10149 10746 13532 14328 20298 21492 27064 28656 30447 40596 42984 54128 60894 81192 85968 91341 121788 162384 182682 243576 365364 487152 730728 1461456