Search a number
-
+
1829770940 = 225531726199
BaseRepresentation
bin110110100010000…
…0001011010111100
311201112000222212002
41231010001122330
512221410132230
6501322201432
763225540104
oct15504013274
94645028762
101829770940
11859948a98
12430953278
132321149ca
14135026204
15aa989545
hex6d1016bc

1829770940 has 24 divisors (see below), whose sum is σ = 3915021600. Its totient is φ = 718098368.

The previous prime is 1829770937. The next prime is 1829770961. The reversal of 1829770940 is 490779281.

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, 862040 + ... + 864159.

It is an arithmetic number, because the mean of its divisors is an integer number (163125900).

Almost surely, 21829770940 is an apocalyptic number.

1829770940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1829770940 is an abundant number, since it is smaller than the sum of its proper divisors (2085250660).

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

1829770940 is a wasteful number, since it uses less digits than its factorization.

1829770940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726261 (or 1726259 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1829770940 is about 42775.8219091112. The cubic root of 1829770940 is about 1223.1101644462.

The spelling of 1829770940 in words is "one billion, eight hundred twenty-nine million, seven hundred seventy thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1726199 3452398 6904796 8630995 17261990 34523980 91488547 182977094 365954188 457442735 914885470 1829770940