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190689714 = 2341724073
BaseRepresentation
bin10110101110110…
…11000110110010
3111021211001010000
423113123012302
5342304032324
630531050430
74503556455
oct1327330662
9437731100
10190689714
1198704006
1253a40a16
1330677667
141b47b49c
1511b1a9c9
hexb5db1b2

190689714 has 60 divisors (see below), whose sum is σ = 454010634. Its totient is φ = 59809536.

The previous prime is 190689689. The next prime is 190689727. The reversal of 190689714 is 417986091.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 171479025 + 19210689 = 13095^2 + 4383^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190689714.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 44782 + ... + 48854.

Almost surely, 2190689714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190689714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227005317).

190689714 is an abundant number, since it is smaller than the sum of its proper divisors (263320920).

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

190689714 is a wasteful number, since it uses less digits than its factorization.

190689714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 190689714 is about 13809.0446447247. The cubic root of 190689714 is about 575.5844985244.

It can be divided in two parts, 19068 and 9714, that added together give a palindrome (28782).

The spelling of 190689714 in words is "one hundred ninety million, six hundred eighty-nine thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 289 306 459 578 867 918 1377 1734 2601 2754 4073 5202 7803 8146 12219 15606 23409 24438 36657 46818 69241 73314 109971 138482 207723 219942 329913 415446 623169 659826 1177097 1246338 1869507 2354194 3531291 3739014 5608521 7062582 10593873 11217042 21187746 31781619 63563238 95344857 190689714