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1401311200 = 25521751639
BaseRepresentation
bin101001110000110…
…0100111111100000
310121122210222120211
41103201210333200
510332213424300
6351014543504
746503643252
oct12341447740
93548728524
101401311200
1165a004933
12331367b94
1319441a533
14d4173cd2
15830534ba
hex53864fe0

1401311200 has 36 divisors (see below), whose sum is σ = 3420952920. Its totient is φ = 560524160.

The previous prime is 1401311159. The next prime is 1401311209. The reversal of 1401311200 is 21131041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401311209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 875020 + ... + 876619.

It is an arithmetic number, because the mean of its divisors is an integer number (95026470).

Almost surely, 21401311200 is an apocalyptic number.

1401311200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401311200 is an abundant number, since it is smaller than the sum of its proper divisors (2019641720).

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

1401311200 is a wasteful number, since it uses less digits than its factorization.

1401311200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751659 (or 1751646 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1401311200 is about 37434.0914141107. The cubic root of 1401311200 is about 1119.0380771410.

Adding to 1401311200 its reverse (21131041), we get a palindrome (1422442241).

The spelling of 1401311200 in words is "one billion, four hundred one million, three hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1751639 3503278 7006556 8758195 14013112 17516390 28026224 35032780 43790975 56052448 70065560 87581950 140131120 175163900 280262240 350327800 700655600 1401311200