Search a number
-
+
319490454 = 2353248409
BaseRepresentation
bin10011000010110…
…000100110010110
3211021011210111210
4103002300212112
51123242143304
651411442250
710626424023
oct2302604626
9737153453
10319490454
111543869a8
128abb6386
135126330a
143060854a
151d0adc89
hex130b0996

319490454 has 8 divisors (see below), whose sum is σ = 638980920. Its totient is φ = 106496816.

The previous prime is 319490441. The next prime is 319490459. The reversal of 319490454 is 454094913.

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

319490454 is an admirable number.

It is a super-2 number, since 2×3194904542 = 204148300394252232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319490459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26624199 + ... + 26624210.

It is an arithmetic number, because the mean of its divisors is an integer number (79872615).

Almost surely, 2319490454 is an apocalyptic number.

319490454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

319490454 is a wasteful number, since it uses less digits than its factorization.

319490454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53248414.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 319490454 is about 17874.2959022167. The cubic root of 319490454 is about 683.6271393851.

The spelling of 319490454 in words is "three hundred nineteen million, four hundred ninety thousand, four hundred fifty-four".

Divisors: 1 2 3 6 53248409 106496818 159745227 319490454