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1402542337 = 7228623313
BaseRepresentation
bin101001110011001…
…0001100100000001
310121202010112101111
41103212101210001
510333022323322
6351101203321
746520261500
oct12346214401
93552115344
101402542337
1165a7758a9
12331860541
1319475ba11
14d43b4837
15831e8177
hex53991901

1402542337 has 6 divisors (see below), whose sum is σ = 1631528898. Its totient is φ = 1202179104.

The previous prime is 1402542329. The next prime is 1402542353. The reversal of 1402542337 is 7332452041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 941323761 + 461218576 = 30681^2 + 21476^2 .

It is not a de Polignac number, because 1402542337 - 23 = 1402542329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402542299 and 1402542308.

It is not an unprimeable number, because it can be changed into a prime (1402542377) 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, 14311608 + ... + 14311705.

It is an arithmetic number, because the mean of its divisors is an integer number (271921483).

Almost surely, 21402542337 is an apocalyptic number.

It is an amenable number.

1402542337 is a deficient number, since it is larger than the sum of its proper divisors (228986561).

1402542337 is an equidigital number, since it uses as much as digits as its factorization.

1402542337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28623327 (or 28623320 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1402542337 is about 37450.5318653821. The cubic root of 1402542337 is about 1119.3656955212.

Adding to 1402542337 its reverse (7332452041), we get a palindrome (8734994378).

The spelling of 1402542337 in words is "one billion, four hundred two million, five hundred forty-two thousand, three hundred thirty-seven".

Divisors: 1 7 49 28623313 200363191 1402542337