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1241373540 = 2235111880869
BaseRepresentation
bin100100111111101…
…1101101101100100
310012111212022100210
41021333131231210
510020242423130
6323102535420
742522333561
oct11177355544
93174768323
101241373540
115877a5350
122a7897570
1316a24c274
14bac1d868
1573eae5b0
hex49fddb64

1241373540 has 48 divisors (see below), whose sum is σ = 3791833920. Its totient is φ = 300938880.

The previous prime is 1241373533. The next prime is 1241373547. The reversal of 1241373540 is 453731421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1241373533) and next prime (1241373547).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1241373498 and 1241373507.

It is not an unprimeable number, because it can be changed into a prime (1241373547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939775 + ... + 941094.

It is an arithmetic number, because the mean of its divisors is an integer number (78996540).

Almost surely, 21241373540 is an apocalyptic number.

1241373540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241373540 is an abundant number, since it is smaller than the sum of its proper divisors (2550460380).

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

1241373540 is a wasteful number, since it uses less digits than its factorization.

1241373540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880892 (or 1880890 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1241373540 is about 35233.1312829274. The cubic root of 1241373540 is about 1074.7336033603.

The spelling of 1241373540 in words is "one billion, two hundred forty-one million, three hundred seventy-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1880869 3761738 5642607 7523476 9404345 11285214 18808690 20689559 22570428 28213035 37617380 41379118 56426070 62068677 82758236 103447795 112852140 124137354 206895590 248274708 310343385 413791180 620686770 1241373540