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1894164484 = 224724632
BaseRepresentation
bin111000011100110…
…1010100000000100
311220000012112012011
41300321222200010
512334401230414
6511542304004
764640063302
oct16071524004
94800175164
101894164484
1189222a8a3
1244a428004
1324256c6b4
1413d7c9272
15b1458dc4
hex70e6a804

1894164484 has 27 divisors (see below), whose sum is σ = 3394146567. Its totient is φ = 924929544.

The previous prime is 1894164479. The next prime is 1894164521. The reversal of 1894164484 is 4844614981.

The square root of 1894164484 is 43522.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (884736) is a multiple of the sum of its prime divisors (512).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4090837 + ... + 4091299.

Almost surely, 21894164484 is an apocalyptic number.

1894164484 is the 43522-nd square number.

It is an amenable number.

1894164484 is a deficient number, since it is larger than the sum of its proper divisors (1499982083).

1894164484 is an frugal number, since it uses more digits than its factorization.

1894164484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 512 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The cubic root of 1894164484 is about 1237.2930204321.

Multiplying 1894164484 by its sum of digits (49), we get a square (92814059716 = 3046542).

The spelling of 1894164484 in words is "one billion, eight hundred ninety-four million, one hundred sixty-four thousand, four hundred eighty-four".

Divisors: 1 2 4 47 94 188 463 926 1852 2209 4418 8836 21761 43522 87044 214369 428738 857476 1022767 2045534 4091068 10075343 20150686 40301372 473541121 947082242 1894164484