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890813952 = 2932727617
BaseRepresentation
bin110101000110001…
…011111000000000
32022002020001000100
4311012023320000
53311022021302
6224221122400
731034536140
oct6506137000
92262201010
10890813952
11417928786
1220a3b9400
1311272b462
1486448920
1553314d1c
hex3518be00

890813952 has 120 divisors (see below), whose sum is σ = 2938334256. Its totient is φ = 254509056.

The previous prime is 890813921. The next prime is 890814007. The reversal of 890813952 is 259318098.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 890813898 and 890813907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18448 + ... + 46064.

Almost surely, 2890813952 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 890813952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1469167128).

890813952 is an abundant number, since it is smaller than the sum of its proper divisors (2047520304).

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

890813952 is a wasteful number, since it uses less digits than its factorization.

890813952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27648 (or 27629 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 890813952 is about 29846.5065292406. The cubic root of 890813952 is about 962.1933184277.

The spelling of 890813952 in words is "eight hundred ninety million, eight hundred thirteen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1152 1344 1536 1792 2016 2304 2688 3584 4032 4608 5376 8064 10752 16128 27617 32256 55234 82851 110468 165702 193319 220936 248553 331404 386638 441872 497106 579957 662808 773276 883744 994212 1159914 1325616 1546552 1739871 1767488 1988424 2319828 2651232 3093104 3479742 3534976 3976848 4639656 5302464 6186208 6959484 7069952 7953696 9279312 10604928 12372416 13918968 14139904 15907392 18558624 21209856 24744832 27837936 31814784 37117248 42419712 49489664 55675872 63629568 74234496 98979328 111351744 127259136 148468992 222703488 296937984 445406976 890813952