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1401422210 = 25613228617
BaseRepresentation
bin101001110001000…
…0000000110000010
310121200000121212022
41103202000012002
510332231002320
6351021201442
746504615016
oct12342000602
93550017768
101401422210
1165a080281
12331400282
13194458c16
14d41a2546
1583076325
hex53880182

1401422210 has 16 divisors (see below), whose sum is σ = 2526686136. Its totient is φ = 559651968.

The previous prime is 1401422207. The next prime is 1401422219. The reversal of 1401422210 is 122241041.

It can be written as a sum of positive squares in 4 ways, for example, as 520341721 + 881080489 = 22811^2 + 29683^2 .

It is not an unprimeable number, because it can be changed into a prime (1401422219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108179 + ... + 120438.

Almost surely, 21401422210 is an apocalyptic number.

1401422210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401422210 is a deficient number, since it is larger than the sum of its proper divisors (1125263926).

1401422210 is a wasteful number, since it uses less digits than its factorization.

1401422210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229237.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1401422210 is about 37435.5741240868. The cubic root of 1401422210 is about 1119.0676259276.

Adding to 1401422210 its reverse (122241041), we get a palindrome (1523663251).

The spelling of 1401422210 in words is "one billion, four hundred one million, four hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 613 1226 3065 6130 228617 457234 1143085 2286170 140142221 280284442 700711105 1401422210