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1361584928 = 251125932
BaseRepresentation
bin101000100101000…
…0010001100100000
310111220001200101102
41101022002030200
510242031204203
6343035253532
745512165234
oct12112021440
93456050342
101361584928
11639640a00
1231bbaa2a8
1318911b472
14ccb925c4
157e807888
hex51282320

1361584928 has 54 divisors (see below), whose sum is σ = 2951444097. Its totient is φ = 617858560.

The previous prime is 1361584919. The next prime is 1361584937. The reversal of 1361584928 is 8294851631.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (1361584919) and next prime (1361584937).

It can be written as a sum of positive squares in 2 ways, for example, as 1343369104 + 18215824 = 36652^2 + 4268^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=26092.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2295800 + ... + 2296392.

Almost surely, 21361584928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361584928

1361584928 is an abundant number, since it is smaller than the sum of its proper divisors (1589859169).

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

1361584928 is an frugal number, since it uses more digits than its factorization.

1361584928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 606 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 1361584928 is about 36899.6602694388. The cubic root of 1361584928 is about 1108.3618744392.

The spelling of 1361584928 in words is "one billion, three hundred sixty-one million, five hundred eighty-four thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 593 968 1186 1936 2372 3872 4744 6523 9488 13046 18976 26092 52184 71753 104368 143506 208736 287012 351649 574024 703298 1148048 1406596 2296096 2813192 3868139 5626384 7736278 11252768 15472556 30945112 42549529 61890224 85099058 123780448 170198116 340396232 680792464 1361584928