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189451041 = 3134857719
BaseRepresentation
bin10110100101011…
…00101100100001
3111012111002222020
423102230230201
5341444413131
630444332053
74460210253
oct1322545441
9435432866
10189451041
1197a3840a
1253544029
1330332910
141b237cd3
1511973996
hexb4acb21

189451041 has 8 divisors (see below), whose sum is σ = 272032320. Its totient is φ = 116585232.

The previous prime is 189451039. The next prime is 189451057. The reversal of 189451041 is 140154981.

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

It is not a de Polignac number, because 189451041 - 21 = 189451039 is a prime.

It is a super-3 number, since 3×1894510413 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189450993 and 189451011.

It is not an unprimeable number, because it can be changed into a prime (189451061) by changing a digit.

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, 2428821 + ... + 2428898.

It is an arithmetic number, because the mean of its divisors is an integer number (34004040).

Almost surely, 2189451041 is an apocalyptic number.

It is an amenable number.

189451041 is a deficient number, since it is larger than the sum of its proper divisors (82581279).

189451041 is a wasteful number, since it uses less digits than its factorization.

189451041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857735.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 189451041 is about 13764.1215121053. The cubic root of 189451041 is about 574.3355055978.

The spelling of 189451041 in words is "one hundred eighty-nine million, four hundred fifty-one thousand, forty-one".

Divisors: 1 3 13 39 4857719 14573157 63150347 189451041