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102400896 = 2731373281
BaseRepresentation
bin1100001101010…
…00001110000000
321010200111121210
412012220032000
5202203312041
614054450120
72352251613
oct606501600
9233614553
10102400896
1152891344
122a363940
13182a4560
14d85817a
158ecb016
hex61a8380

102400896 has 128 divisors (see below), whose sum is σ = 297995040. Its totient is φ = 30965760.

The previous prime is 102400889. The next prime is 102400897. The reversal of 102400896 is 698004201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102400897) 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, 364276 + ... + 364556.

Almost surely, 2102400896 is an apocalyptic number.

102400896 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 102400896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148997520).

102400896 is an abundant number, since it is smaller than the sum of its proper divisors (195594144).

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

102400896 is a wasteful number, since it uses less digits than its factorization.

102400896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 102400896 is about 10119.3327843292. The cubic root of 102400896 is about 467.8442026517.

The spelling of 102400896 in words is "one hundred two million, four hundred thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 73 78 96 104 128 146 156 192 208 219 281 292 312 384 416 438 562 584 624 832 843 876 949 1124 1168 1248 1664 1686 1752 1898 2248 2336 2496 2847 3372 3504 3653 3796 4496 4672 4992 5694 6744 7008 7306 7592 8992 9344 10959 11388 13488 14016 14612 15184 17984 20513 21918 22776 26976 28032 29224 30368 35968 41026 43836 45552 53952 58448 60736 61539 82052 87672 91104 107904 116896 121472 123078 164104 175344 182208 233792 246156 266669 328208 350688 364416 467584 492312 533338 656416 701376 800007 984624 1066676 1312832 1402752 1600014 1969248 2133352 2625664 3200028 3938496 4266704 6400056 7876992 8533408 12800112 17066816 25600224 34133632 51200448 102400896