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190077012 = 22326418237
BaseRepresentation
bin10110101010001…
…01100001010100
3111020122220122100
423111011201110
5342124431022
630510002100
74465425246
oct1325054124
9436586570
10190077012
1198325744
12537a6330
13304c1808
141b35c096
1511a491ac
hexb545854

190077012 has 36 divisors (see below), whose sum is σ = 481280436. Its totient is φ = 63252480.

The previous prime is 190077001. The next prime is 190077023. The reversal of 190077012 is 210770091.

It is an interprime number because it is at equal distance from previous prime (190077001) and next prime (190077023).

It can be written as a sum of positive squares in 2 ways, for example, as 148937616 + 41139396 = 12204^2 + 6414^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1900770122 = 72258540981696288, which contains 22 as substring.

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, 18958 + ... + 27194.

It is an arithmetic number, because the mean of its divisors is an integer number (13368901).

Almost surely, 2190077012 is an apocalyptic number.

190077012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190077012 is an abundant number, since it is smaller than the sum of its proper divisors (291203424).

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

190077012 is a wasteful number, since it uses less digits than its factorization.

190077012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888 (or 8883 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 190077012 is about 13786.8419879246. The cubic root of 190077012 is about 574.9673700450.

The spelling of 190077012 in words is "one hundred ninety million, seventy-seven thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 641 1282 1923 2564 3846 5769 7692 8237 11538 16474 23076 24711 32948 49422 74133 98844 148266 296532 5279917 10559834 15839751 21119668 31679502 47519253 63359004 95038506 190077012