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1308070400 = 29527131123
BaseRepresentation
bin100110111110111…
…1001001000000000
310101011100212020212
41031331321020000
510134331223100
6333444253252
744262262220
oct11575711000
93334325225
101308070400
1161140a71a
123060a1228
1317b002470
14c5a22080
1579c86635
hex4df79200

1308070400 has 240 divisors, whose sum is σ = 3992286144. Its totient is φ = 413614080.

The previous prime is 1308070381. The next prime is 1308070411. The reversal of 1308070400 is 40708031.

It is a happy number.

It is a super-2 number, since 2×13080704002 = 3422096342712320000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164239 + ... + 1165361.

Almost surely, 21308070400 is an apocalyptic number.

1308070400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308070400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996143072).

1308070400 is an abundant number, since it is smaller than the sum of its proper divisors (2684215744).

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

1308070400 is a wasteful number, since it uses less digits than its factorization.

1308070400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1308070400 is about 36167.2559091784. The cubic root of 1308070400 is about 1093.6466812881.

Adding to 1308070400 its reverse (40708031), we get a palindrome (1348778431).

The spelling of 1308070400 in words is "one billion, three hundred eight million, seventy thousand, four hundred".