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1241094945 = 35178395801
BaseRepresentation
bin100100111111001…
…1001101100100001
310012111100011012110
41021332121230201
510020210014240
6323052545533
742520063416
oct11176315441
93174304173
101241094945
11587625002
122a77822a9
1316a18250c
14bab8a10d
1573e56c80
hex49f99b21

1241094945 has 32 divisors (see below), whose sum is σ = 2105429760. Its totient is φ = 622131200.

The previous prime is 1241094941. The next prime is 1241094947. The reversal of 1241094945 is 5494901421.

It is not a de Polignac number, because 1241094945 - 22 = 1241094941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241094941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211045 + ... + 216845.

It is an arithmetic number, because the mean of its divisors is an integer number (65794680).

Almost surely, 21241094945 is an apocalyptic number.

1241094945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241094945 is a deficient number, since it is larger than the sum of its proper divisors (864334815).

1241094945 is a wasteful number, since it uses less digits than its factorization.

1241094945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1241094945 is about 35229.1774669804. The cubic root of 1241094945 is about 1074.6531983895.

The spelling of 1241094945 in words is "one billion, two hundred forty-one million, ninety-four thousand, nine hundred forty-five".

Divisors: 1 3 5 15 17 51 85 255 839 2517 4195 5801 12585 14263 17403 29005 42789 71315 87015 98617 213945 295851 493085 1479255 4867039 14601117 24335195 73005585 82739663 248218989 413698315 1241094945