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54379491 = 336749391
BaseRepresentation
bin1100111101110…
…0001111100011
310210022202122020
43033130033203
5102410120431
65221312523
71230134535
oct317341743
9123282566
1054379491
1128772131
1216265743
13b35c91a
147317855
154b92696
hex33dc3e3

54379491 has 8 divisors (see below), whose sum is σ = 72705024. Its totient is φ = 36153480.

The previous prime is 54379483. The next prime is 54379499. The reversal of 54379491 is 19497345.

It is an interprime number because it is at equal distance from previous prime (54379483) and next prime (54379499).

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

It is not a de Polignac number, because 54379491 - 23 = 54379483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54379499) 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, 23595 + ... + 25796.

It is an arithmetic number, because the mean of its divisors is an integer number (9088128).

Almost surely, 254379491 is an apocalyptic number.

54379491 is a deficient number, since it is larger than the sum of its proper divisors (18325533).

54379491 is a wasteful number, since it uses less digits than its factorization.

54379491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49761.

The product of its digits is 136080, while the sum is 42.

The square root of 54379491 is about 7374.2451139083. The cubic root of 54379491 is about 378.8596724082.

The spelling of 54379491 in words is "fifty-four million, three hundred seventy-nine thousand, four hundred ninety-one".

Divisors: 1 3 367 1101 49391 148173 18126497 54379491