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190883772 = 22325302327
BaseRepresentation
bin10110110000010…
…10011110111100
3111022011220022100
423120022132330
5342331240042
630535145100
74505325312
oct1330123674
9438156270
10190883772
1198826892
1253b15190
1330714aa1
141b4cc0b2
1511b5824c
hexb60a7bc

190883772 has 18 divisors (see below), whose sum is σ = 482511848. Its totient is φ = 63627912.

The previous prime is 190883767. The next prime is 190883773. The reversal of 190883772 is 277388091.

190883772 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1908837722 = 72873228825895968, which contains 22 as substring.

190883772 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190883773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2651128 + ... + 2651199.

Almost surely, 2190883772 is an apocalyptic number.

190883772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190883772 is an abundant number, since it is smaller than the sum of its proper divisors (291628076).

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

190883772 is a wasteful number, since it uses less digits than its factorization.

190883772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302337 (or 5302332 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 190883772 is about 13816.0693397218. The cubic root of 190883772 is about 575.7796828123.

The spelling of 190883772 in words is "one hundred ninety million, eight hundred eighty-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 5302327 10604654 15906981 21209308 31813962 47720943 63627924 95441886 190883772