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54381214 = 240167807
BaseRepresentation
bin1100111101110…
…0101010011110
310210022212000001
43033130222132
5102410144324
65221324514
71230142546
oct317345236
9123285001
1054381214
1128773458
121626673a
13b360644
147318326
154b92e44
hex33dca9e

54381214 has 8 divisors (see below), whose sum is σ = 81776448. Its totient is φ = 27122400.

The previous prime is 54381203. The next prime is 54381227. The reversal of 54381214 is 41218345.

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

It is a super-2 number, since 2×543812142 = 5914632872227592, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33102 + ... + 34705.

It is an arithmetic number, because the mean of its divisors is an integer number (10222056).

Almost surely, 254381214 is an apocalyptic number.

54381214 is a deficient number, since it is larger than the sum of its proper divisors (27395234).

54381214 is a wasteful number, since it uses less digits than its factorization.

54381214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68210.

The product of its digits is 3840, while the sum is 28.

The square root of 54381214 is about 7374.3619385002. The cubic root of 54381214 is about 378.8636737226.

Adding to 54381214 its reverse (41218345), we get a palindrome (95599559).

The spelling of 54381214 in words is "fifty-four million, three hundred eighty-one thousand, two hundred fourteen".

Divisors: 1 2 401 802 67807 135614 27190607 54381214