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1561152 = 26347173
BaseRepresentation
bin101111101001001000000
32221022111110
411331021000
5344424102
653243320
716161315
oct5751100
92838443
101561152
11976a0a
12633540
13428778
142c8d0c
1520c86c
hex17d240

1561152 has 56 divisors (see below), whose sum is σ = 4242816. Its totient is φ = 506368.

The previous prime is 1561151. The next prime is 1561159. The reversal of 1561152 is 2511651.

It is not an unprimeable number, because it can be changed into a prime (1561151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8938 + ... + 9110.

21561152 is an apocalyptic number.

1561152 is a gapful number since it is divisible by the number (12) 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 1561152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2121408).

1561152 is an abundant number, since it is smaller than the sum of its proper divisors (2681664).

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

1561152 is a wasteful number, since it uses less digits than its factorization.

1561152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 225 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 1561152 is about 1249.4606836552. The cubic root of 1561152 is about 116.0063413101.

The spelling of 1561152 in words is "one million, five hundred sixty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 64 94 96 141 173 188 192 282 346 376 519 564 692 752 1038 1128 1384 1504 2076 2256 2768 3008 4152 4512 5536 8131 8304 9024 11072 16262 16608 24393 32524 33216 48786 65048 97572 130096 195144 260192 390288 520384 780576 1561152