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190620994 = 2409467499
BaseRepresentation
bin10110101110010…
…10010101000010
3111021200112211211
423113022111002
5342244332434
630525400334
74503152224
oct1327122502
9437615754
10190620994
1198667413
1253a090aa
13306522b5
141b460414
1511b05464
hexb5ca542

190620994 has 16 divisors (see below), whose sum is σ = 287820000. Its totient is φ = 94683744.

The previous prime is 190620961. The next prime is 190621007. The reversal of 190620994 is 499026091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381757 + ... + 382255.

It is an arithmetic number, because the mean of its divisors is an integer number (17988750).

Almost surely, 2190620994 is an apocalyptic number.

190620994 is a deficient number, since it is larger than the sum of its proper divisors (97199006).

190620994 is a wasteful number, since it uses less digits than its factorization.

190620994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 190620994 is about 13806.5561962424. The cubic root of 190620994 is about 575.5153479336.

The spelling of 190620994 in words is "one hundred ninety million, six hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 409 467 499 818 934 998 191003 204091 233033 382006 408182 466066 95310497 190620994