[go: up one dir, main page]

Search a number
-
+
54957419 = 1123217223
BaseRepresentation
bin1101000110100…
…1010101101011
310211102010101222
43101221111223
5103032114134
65241532255
71235062466
oct321512553
9124363358
1054957419
1129027360
12164a408b
13b5029aa
1474282dd
154c58a2e
hex346956b

54957419 has 8 divisors (see below), whose sum is σ = 62560512. Its totient is φ = 47788840.

The previous prime is 54957361. The next prime is 54957421. The reversal of 54957419 is 91475945.

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

It is not a de Polignac number, because 54957419 - 28 = 54957163 is a prime.

It is a super-2 number, since 2×549574192 = 6040635806283122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54957419.

It is not an unprimeable number, because it can be changed into a prime (54957439) 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, 108359 + ... + 108864.

It is an arithmetic number, because the mean of its divisors is an integer number (7820064).

Almost surely, 254957419 is an apocalyptic number.

54957419 is a deficient number, since it is larger than the sum of its proper divisors (7603093).

54957419 is a wasteful number, since it uses less digits than its factorization.

54957419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217257.

The product of its digits is 226800, while the sum is 44.

The square root of 54957419 is about 7413.3271208008. The cubic root of 54957419 is about 380.1970792117.

The spelling of 54957419 in words is "fifty-four million, nine hundred fifty-seven thousand, four hundred nineteen".

Divisors: 1 11 23 253 217223 2389453 4996129 54957419