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2088400896 = 21132293907
BaseRepresentation
bin111110001111010…
…0111100000000000
312101112200202110100
41330132213200000
513234112312041
6543121402400
7102516054231
oct17436474000
95345622410
102088400896
1198193655a
124a3499400
1327388949a
1415b50b088
15c35256b6
hex7c7a7800

2088400896 has 144 divisors (see below), whose sum is σ = 6241271400. Its totient is φ = 671956992.

The previous prime is 2088400891. The next prime is 2088400907. The reversal of 2088400896 is 6980048802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×20884008962 = 8722836604827205632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088400891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532575 + ... + 536481.

Almost surely, 22088400896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2088400896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3120635700).

2088400896 is an abundant number, since it is smaller than the sum of its proper divisors (4152870504).

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

2088400896 is a wasteful number, since it uses less digits than its factorization.

2088400896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 2088400896 is about 45699.0251099517. The cubic root of 2088400896 is about 1278.2171011047.

The spelling of 2088400896 in words is "two billion, eighty-eight million, four hundred thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 512 522 576 696 768 928 1024 1044 1152 1392 1536 1856 2048 2088 2304 2784 3072 3712 3907 4176 4608 5568 6144 7424 7814 8352 9216 11136 11721 14848 15628 16704 18432 22272 23442 29696 31256 33408 35163 44544 46884 59392 62512 66816 70326 89088 93768 113303 125024 133632 140652 178176 187536 226606 250048 267264 281304 339909 375072 453212 500096 534528 562608 679818 750144 906424 1000192 1019727 1125216 1359636 1500288 1812848 2000384 2039454 2250432 2719272 3000576 3625696 4000768 4078908 4500864 5438544 6001152 7251392 8001536 8157816 9001728 10877088 12002304 14502784 16315632 18003456 21754176 24004608 29005568 32631264 36006912 43508352 58011136 65262528 72013824 87016704 116022272 130525056 174033408 232044544 261050112 348066816 522100224 696133632 1044200448 2088400896