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1401297434 = 25669123593
BaseRepresentation
bin101001110000110…
…0001101000011010
310121122210021200222
41103201201220122
510332213004214
6351014400042
746503555155
oct12341415032
93548707628
101401297434
11659aa5559
12331360022
131944141a4
14d416cc9c
158304e38e
hex53861a1a

1401297434 has 8 divisors (see below), whose sum is σ = 2102333940. Its totient is φ = 700519456.

The previous prime is 1401297431. The next prime is 1401297439. The reversal of 1401297434 is 4347921041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1350930025 + 50367409 = 36755^2 + 7097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1401297394 and 1401297403.

It is not an unprimeable number, because it can be changed into a prime (1401297431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50459 + ... + 73134.

Almost surely, 21401297434 is an apocalyptic number.

1401297434 is a deficient number, since it is larger than the sum of its proper divisors (701036506).

1401297434 is a wasteful number, since it uses less digits than its factorization.

1401297434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129264.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1401297434 is about 37433.9075438298. The cubic root of 1401297434 is about 1119.0344127804.

The spelling of 1401297434 in words is "one billion, four hundred one million, two hundred ninety-seven thousand, four hundred thirty-four".

Divisors: 1 2 5669 11338 123593 247186 700648717 1401297434