Search a number
-
+
290425944 = 23319233521
BaseRepresentation
bin10001010011111…
…000110001011000
3202020111011111110
4101103320301120
51043322112234
644452500320
710124402604
oct2123706130
9666434443
10290425944
11139a35346
128131a6a0
1348228093
142a800504
151a76c1e9
hex114f8c58

290425944 has 48 divisors (see below), whose sum is σ = 766312920. Its totient is φ = 91710720.

The previous prime is 290425931. The next prime is 290426023. The reversal of 290425944 is 449524092.

It is a super-2 number, since 2×2904259442 = 168694457896582272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8097 + ... + 25424.

Almost surely, 2290425944 is an apocalyptic number.

290425944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

290425944 is an abundant number, since it is smaller than the sum of its proper divisors (475886976).

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

290425944 is a wasteful number, since it uses less digits than its factorization.

290425944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33568 (or 33545 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 290425944 is about 17041.8879235841. The cubic root of 290425944 is about 662.2345016132.

The spelling of 290425944 in words is "two hundred ninety million, four hundred twenty-five thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 361 456 722 1083 1444 2166 2888 4332 8664 33521 67042 100563 134084 201126 268168 402252 636899 804504 1273798 1910697 2547596 3821394 5095192 7642788 12101081 15285576 24202162 36303243 48404324 72606486 96808648 145212972 290425944