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89952768 = 2936241
BaseRepresentation
bin1010101110010…
…01001000000000
320021021002000000
411113021020000
5141011442033
612532000000
72141404653
oct527111000
9207232000
1089952768
1146859934
1226160000
13158365b9
14bd3789a
157d6ca13
hex55c9200

89952768 has 140 divisors (see below), whose sum is σ = 270589638. Its totient is φ = 29859840.

The previous prime is 89952767. The next prime is 89952769. The reversal of 89952768 is 86725998.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89952767) and next prime (89952769).

It can be written as a sum of positive squares in only one way, i.e., 67371264 + 22581504 = 8208^2 + 4752^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (89952767) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 373128 + ... + 373368.

Almost surely, 289952768 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 89952768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135294819).

89952768 is an abundant number, since it is smaller than the sum of its proper divisors (180636870).

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

89952768 is an frugal number, since it uses more digits than its factorization.

89952768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 246 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 89952768 is about 9484.3433088433. The cubic root of 89952768 is about 448.0620662308.

The spelling of 89952768 in words is "eighty-nine million, nine hundred fifty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 241 243 256 288 324 384 432 482 486 512 576 648 723 729 768 864 964 972 1152 1296 1446 1458 1536 1728 1928 1944 2169 2304 2592 2892 2916 3456 3856 3888 4338 4608 5184 5784 5832 6507 6912 7712 7776 8676 10368 11568 11664 13014 13824 15424 15552 17352 19521 20736 23136 23328 26028 30848 31104 34704 39042 41472 46272 46656 52056 58563 61696 62208 69408 78084 92544 93312 104112 117126 123392 124416 138816 156168 175689 185088 186624 208224 234252 277632 312336 351378 370176 373248 416448 468504 555264 624672 702756 832896 937008 1110528 1249344 1405512 1665792 1874016 2498688 2811024 3331584 3748032 4997376 5622048 7496064 9994752 11244096 14992128 22488192 29984256 44976384 89952768