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514771940 = 225191354663
BaseRepresentation
bin11110101011101…
…100101111100100
31022212122010100102
4132223230233210
52023240200230
6123025203232
715520326554
oct3653545744
91285563312
10514771940
11244636861
12124490518
13828579a7
144c51d164
15302d5045
hex1eaecbe4

514771940 has 24 divisors (see below), whose sum is σ = 1137917760. Its totient is φ = 195071328.

The previous prime is 514771937. The next prime is 514771949. The reversal of 514771940 is 49177415.

It is a super-2 number, since 2×5147719402 = 529980300422727200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 514771894 and 514771903.

It is not an unprimeable number, because it can be changed into a prime (514771949) 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, 676952 + ... + 677711.

It is an arithmetic number, because the mean of its divisors is an integer number (47413240).

Almost surely, 2514771940 is an apocalyptic number.

It is an amenable number.

514771940 is an abundant number, since it is smaller than the sum of its proper divisors (623145820).

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

514771940 is a wasteful number, since it uses less digits than its factorization.

514771940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354691 (or 1354689 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 514771940 is about 22688.5861172529. The cubic root of 514771940 is about 801.4411211534.

The spelling of 514771940 in words is "five hundred fourteen million, seven hundred seventy-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1354663 2709326 5418652 6773315 13546630 25738597 27093260 51477194 102954388 128692985 257385970 514771940