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190872043 = 1935927983
BaseRepresentation
bin10110110000001…
…11100111101011
3111022011022012221
423120013213223
5342330401133
630535014511
74505246155
oct1330074753
9438138187
10190872043
1198818a9a
1253b0a437
133070c64b
141b4c7ad5
1511b54a2d
hexb6079eb

190872043 has 8 divisors (see below), whose sum is σ = 201484800. Its totient is φ = 180316008.

The previous prime is 190872013. The next prime is 190872049. The reversal of 190872043 is 340278091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190872043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190872049) 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, 7171 + ... + 20812.

It is an arithmetic number, because the mean of its divisors is an integer number (25185600).

Almost surely, 2190872043 is an apocalyptic number.

190872043 is a deficient number, since it is larger than the sum of its proper divisors (10612757).

190872043 is a wasteful number, since it uses less digits than its factorization.

190872043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28361.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 190872043 is about 13815.6448637043. The cubic root of 190872043 is about 575.7678894957.

The spelling of 190872043 in words is "one hundred ninety million, eight hundred seventy-two thousand, forty-three".

Divisors: 1 19 359 6821 27983 531677 10045897 190872043