Search a number
-
+
100307712 = 283211619
BaseRepresentation
bin1011111101010…
…01001100000000
320222202011022110
411332221030000
5201134321322
613541535320
72325413211
oct576511400
9228664273
10100307712
115169173a
1229714540
1317a2089b
14d471408
158c15c0c
hex5fa9300

100307712 has 72 divisors (see below), whose sum is σ = 268663360. Its totient is φ = 33223680.

The previous prime is 100307699. The next prime is 100307731. The reversal of 100307712 is 217703001.

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, 161739 + ... + 162357.

Almost surely, 2100307712 is an apocalyptic number.

100307712 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 100307712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134331680).

100307712 is an abundant number, since it is smaller than the sum of its proper divisors (168355648).

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

100307712 is an equidigital number, since it uses as much as digits as its factorization.

100307712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 100307712 is about 10015.3737823408. The cubic root of 100307712 is about 464.6344867259.

The spelling of 100307712 in words is "one hundred million, three hundred seven thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 211 256 384 422 619 633 768 844 1238 1266 1688 1857 2476 2532 3376 3714 4952 5064 6752 7428 9904 10128 13504 14856 19808 20256 27008 29712 39616 40512 54016 59424 79232 81024 118848 130609 158464 162048 237696 261218 391827 475392 522436 783654 1044872 1567308 2089744 3134616 4179488 6269232 8358976 12538464 16717952 25076928 33435904 50153856 100307712