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1241423780 = 225173358793
BaseRepresentation
bin100100111111110…
…1001111110100100
310012111221212021112
41021333221332210
510020301030110
6323104004152
742522633212
oct11177517644
93174855245
101241423780
1158782a073
122a7900658
1316a2690ac
14bac33cb2
1573ebe405
hex49fe9fa4

1241423780 has 24 divisors (see below), whose sum is σ = 2622066552. Its totient is φ = 493697792.

The previous prime is 1241423761. The next prime is 1241423783. The reversal of 1241423780 is 873241421.

It can be written as a sum of positive squares in 4 ways, for example, as 230310976 + 1011112804 = 15176^2 + 31798^2 .

It is a super-2 number, since 2×12414237802 = 3082266003098976800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1241423783) 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 7 ways as a sum of consecutive naturals, for example, 175937 + ... + 182856.

It is an arithmetic number, because the mean of its divisors is an integer number (109252773).

Almost surely, 21241423780 is an apocalyptic number.

1241423780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241423780 is an abundant number, since it is smaller than the sum of its proper divisors (1380642772).

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

1241423780 is a wasteful number, since it uses less digits than its factorization.

1241423780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358975 (or 358973 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1241423780 is about 35233.8442410135. The cubic root of 1241423780 is about 1074.7481017865.

The spelling of 1241423780 in words is "one billion, two hundred forty-one million, four hundred twenty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 358793 717586 1435172 1793965 3587930 7175860 62071189 124142378 248284756 310355945 620711890 1241423780