Search a number
-
+
1085949430 = 25413926237
BaseRepresentation
bin100000010111010…
…0100010111110110
32210200101221120021
41000232210113312
54211000340210
6255431355354
735624263216
oct10056442766
92720357507
101085949430
11507a98975
12263822b5a
13143ca1537
14a4322246
156550cbda
hex40ba45f6

1085949430 has 16 divisors (see below), whose sum is σ = 1955255760. Its totient is φ = 434258272.

The previous prime is 1085949421. The next prime is 1085949463. The reversal of 1085949430 is 349495801.

It is a happy number.

It is a congruent number.

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, 28272 + ... + 54508.

It is an arithmetic number, because the mean of its divisors is an integer number (122203485).

Almost surely, 21085949430 is an apocalyptic number.

1085949430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085949430 is a deficient number, since it is larger than the sum of its proper divisors (869306330).

1085949430 is a wasteful number, since it uses less digits than its factorization.

1085949430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30383.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1085949430 is about 32953.7468279405. The cubic root of 1085949430 is about 1027.8660788112.

The spelling of 1085949430 in words is "one billion, eighty-five million, nine hundred forty-nine thousand, four hundred thirty".

Divisors: 1 2 5 10 4139 8278 20695 26237 41390 52474 131185 262370 108594943 217189886 542974715 1085949430