Search a number
-
+
1484794640 = 24572651419
BaseRepresentation
bin101100010000000…
…0010101100010000
310211110220101100002
41120200002230100
511020101412030
6403200145132
751536355230
oct13040025420
93743811302
101484794640
116a214520a
123553081a8
131a87ca314
141012a5cc0
158a544245
hex58802b10

1484794640 has 40 divisors (see below), whose sum is σ = 3945312960. Its totient is φ = 509072256.

The previous prime is 1484794613. The next prime is 1484794657. The reversal of 1484794640 is 464974841.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1325150 + ... + 1326269.

It is an arithmetic number, because the mean of its divisors is an integer number (98632824).

Almost surely, 21484794640 is an apocalyptic number.

1484794640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1484794640 is an abundant number, since it is smaller than the sum of its proper divisors (2460518320).

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

1484794640 is a wasteful number, since it uses less digits than its factorization.

1484794640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651439 (or 2651433 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 1484794640 is about 38533.0331014832. The cubic root of 1484794640 is about 1140.8331449409.

The spelling of 1484794640 in words is "one billion, four hundred eighty-four million, seven hundred ninety-four thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 2651419 5302838 10605676 13257095 18559933 21211352 26514190 37119866 42422704 53028380 74239732 92799665 106056760 148479464 185599330 212113520 296958928 371198660 742397320 1484794640