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1241904080 = 245101153701
BaseRepresentation
bin100101000000101…
…1111001111010000
310012112212021010102
41022001133033100
510020411412310
6323122151532
742530003414
oct11201371720
93175767112
101241904080
11588027a0a
122a7ab25a8
1316a3a68b1
14bad1ad44
15740668a5
hex4a05f3d0

1241904080 has 40 divisors (see below), whose sum is σ = 2916034344. Its totient is φ = 491840000.

The previous prime is 1241904073. The next prime is 1241904127. The reversal of 1241904080 is 804091421.

It can be written as a sum of positive squares in 4 ways, for example, as 660901264 + 581002816 = 25708^2 + 24104^2 .

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

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, 68771 + ... + 84930.

Almost surely, 21241904080 is an apocalyptic number.

1241904080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241904080 is an abundant number, since it is smaller than the sum of its proper divisors (1674130264).

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

1241904080 is a wasteful number, since it uses less digits than its factorization.

1241904080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153815 (or 153809 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1241904080 is about 35240.6594716955. The cubic root of 1241904080 is about 1074.8866886156.

The spelling of 1241904080 in words is "one billion, two hundred forty-one million, nine hundred four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 404 505 808 1010 1616 2020 4040 8080 153701 307402 614804 768505 1229608 1537010 2459216 3074020 6148040 12296080 15523801 31047602 62095204 77619005 124190408 155238010 248380816 310476020 620952040 1241904080