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54157950 = 23352711521
BaseRepresentation
bin1100111010011…
…0001001111110
310202220111202000
43032212021332
5102331023300
65212443130
71225222620
oct316461176
9122814660
1054157950
1128630740
12161794a6
13b2b2b32
14729ac10
154b4bc00
hex33a627e

54157950 has 192 divisors, whose sum is σ = 186416640. Its totient is φ = 11232000.

The previous prime is 54157921. The next prime is 54157951. The reversal of 54157950 is 5975145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54157951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103690 + ... + 104210.

It is an arithmetic number, because the mean of its divisors is an integer number (970920).

Almost surely, 254157950 is an apocalyptic number.

54157950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54157950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93208320).

54157950 is an abundant number, since it is smaller than the sum of its proper divisors (132258690).

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

54157950 is a wasteful number, since it uses less digits than its factorization.

54157950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 54157950 is about 7359.2085172252. The cubic root of 54157950 is about 378.3444831446.

The spelling of 54157950 in words is "fifty-four million, one hundred fifty-seven thousand, nine hundred fifty".