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189357044 = 221072271949
BaseRepresentation
bin10110100100101…
…01101111110100
3111012022100000212
423102111233310
5341433411134
630442324552
74456336232
oct1322255764
9435270025
10189357044
1197983828
12534b9758
13302cbbb6
141b211952
1511955bce
hexb495bf4

189357044 has 24 divisors (see below), whose sum is σ = 336117600. Its totient is φ = 93332576.

The previous prime is 189357043. The next prime is 189357053. The reversal of 189357044 is 440753981.

It is a super-2 number, since 2×1893570442 = 71712180224835872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189356992 and 189357010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189357041) 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, 96182 + ... + 98130.

It is an arithmetic number, because the mean of its divisors is an integer number (14004900).

Almost surely, 2189357044 is an apocalyptic number.

It is an amenable number.

189357044 is a deficient number, since it is larger than the sum of its proper divisors (146760556).

189357044 is a wasteful number, since it uses less digits than its factorization.

189357044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2285 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 189357044 is about 13760.7065225591. The cubic root of 189357044 is about 574.2405034887.

The spelling of 189357044 in words is "one hundred eighty-nine million, three hundred fifty-seven thousand, forty-four".

Divisors: 1 2 4 107 214 227 428 454 908 1949 3898 7796 24289 48578 97156 208543 417086 442423 834172 884846 1769692 47339261 94678522 189357044