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8538054 = 2372113257
BaseRepresentation
bin100000100100…
…011111000110
3121001210000020
4200210133012
54141204204
6503000010
7132400200
oct40443706
917053006
108538054
114901848
122a39006
1319cc305
1411c3770
15b39bd9
hex8247c6

8538054 has 48 divisors (see below), whose sum is σ = 20117808. Its totient is φ = 2408448.

The previous prime is 8538053. The next prime is 8538071. The reversal of 8538054 is 4508358.

It is a happy number.

It is a super-2 number, since 2×85380542 = 145796732213832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33094 + ... + 33350.

It is an arithmetic number, because the mean of its divisors is an integer number (419121).

Almost surely, 28538054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8538054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10058904).

8538054 is an abundant number, since it is smaller than the sum of its proper divisors (11579754).

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

8538054 is a wasteful number, since it uses less digits than its factorization.

8538054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 8538054 is about 2921.9948665253. The cubic root of 8538054 is about 204.3868572271.

The spelling of 8538054 in words is "eight million, five hundred thirty-eight thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 42 49 98 113 147 226 257 294 339 514 678 771 791 1542 1582 1799 2373 3598 4746 5397 5537 10794 11074 12593 16611 25186 29041 33222 37779 58082 75558 87123 174246 203287 406574 609861 1219722 1423009 2846018 4269027 8538054