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189851482 = 21395631213
BaseRepresentation
bin10110101000011…
…10011101011010
3111020020110021101
423110032131122
5342100221412
630501102014
74463465602
oct1324163532
9436213241
10189851482
1198191257
12536b790a
1330442c72
141b2ddc02
1511a02457
hexb50e75a

189851482 has 16 divisors (see below), whose sum is σ = 287572320. Its totient is φ = 93997872.

The previous prime is 189851447. The next prime is 189851483. The reversal of 189851482 is 284158981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189851483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155908 + ... + 157120.

It is an arithmetic number, because the mean of its divisors is an integer number (17973270).

Almost surely, 2189851482 is an apocalyptic number.

189851482 is a deficient number, since it is larger than the sum of its proper divisors (97720838).

189851482 is a wasteful number, since it uses less digits than its factorization.

189851482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917.

The product of its digits is 184320, while the sum is 46.

The square root of 189851482 is about 13778.6603848125. The cubic root of 189851482 is about 574.7398767960.

The spelling of 189851482 in words is "one hundred eighty-nine million, eight hundred fifty-one thousand, four hundred eighty-two".

Divisors: 1 2 139 278 563 1126 1213 2426 78257 156514 168607 337214 682919 1365838 94925741 189851482