Search a number
-
+
67484420 = 22527112451
BaseRepresentation
bin1000000010110…
…11101100000100
311200222120012222
410001123230010
5114234000140
610410231512
71446415403
oct401335404
9150876188
1067484420
1135103053
121a725598
1310c9a813
148d6963a
155dd05b5
hex405bb04

67484420 has 24 divisors (see below), whose sum is σ = 142251648. Its totient is φ = 26892000.

The previous prime is 67484413. The next prime is 67484437. The reversal of 67484420 is 2448476.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (5927152).

Almost surely, 267484420 is an apocalyptic number.

It is an amenable number.

67484420 is an abundant number, since it is smaller than the sum of its proper divisors (74767228).

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

67484420 is a wasteful number, since it uses less digits than its factorization.

67484420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12731 (or 12729 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 67484420 is about 8214.8901392532. The cubic root of 67484420 is about 407.1313136888.

The spelling of 67484420 in words is "sixty-seven million, four hundred eighty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 271 542 1084 1355 2710 5420 12451 24902 49804 62255 124510 249020 3374221 6748442 13496884 16871105 33742210 67484420