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1244366430 = 2351913671597
BaseRepresentation
bin100101000101011…
…1000011001011110
310012201111100211120
41022022320121132
510022024211210
6323251031410
742556640316
oct11212703136
93181440746
101244366430
11589459a0a
122a889b566
1316aa595c8
14bb39c446
15743a1270
hex4a2b865e

1244366430 has 64 divisors (see below), whose sum is σ = 3147932160. Its totient is φ = 313939584.

The previous prime is 1244366371. The next prime is 1244366437. The reversal of 1244366430 is 346634421.

It is a super-2 number, since 2×12443664302 = 3096895624221889800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244366391 and 1244366400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244366437) 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, 778392 + ... + 779988.

It is an arithmetic number, because the mean of its divisors is an integer number (49186440).

Almost surely, 21244366430 is an apocalyptic number.

1244366430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244366430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573966080).

1244366430 is an abundant number, since it is smaller than the sum of its proper divisors (1903565730).

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

1244366430 is a wasteful number, since it uses less digits than its factorization.

1244366430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 1244366430 is about 35275.5783793831. The cubic root of 1244366430 is about 1075.5966199622.

The spelling of 1244366430 in words is "one billion, two hundred forty-four million, three hundred sixty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 1367 1597 2734 3194 4101 4791 6835 7985 8202 9582 13670 15970 20505 23955 25973 30343 41010 47910 51946 60686 77919 91029 129865 151715 155838 182058 259730 303430 389595 455145 779190 910290 2183099 4366198 6549297 10915495 13098594 21830990 32746485 41478881 65492970 82957762 124436643 207394405 248873286 414788810 622183215 1244366430