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1402979512 = 231122116869
BaseRepresentation
bin101001110011111…
…1100010010111000
310121202221202002011
41103213330102320
510333130321022
6351114415304
746524062164
oct12347742270
93552852064
101402979512
1165aa44300
12331a31534
131948829bc
14d4489ca4
1583282977
hex539fc4b8

1402979512 has 48 divisors (see below), whose sum is σ = 2905597800. Its totient is φ = 634603200.

The previous prime is 1402979509. The next prime is 1402979521. The reversal of 1402979512 is 2159792041.

It is a happy number.

It is a super-2 number, since 2×14029795122 = 3936703022183516288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200814 + ... + 207682.

Almost surely, 21402979512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402979512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452798900).

1402979512 is an abundant number, since it is smaller than the sum of its proper divisors (1502618288).

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

1402979512 is a wasteful number, since it uses less digits than its factorization.

1402979512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108 (or 7093 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1402979512 is about 37456.3681101091. The cubic root of 1402979512 is about 1119.4819862145.

The spelling of 1402979512 in words is "one billion, four hundred two million, nine hundred seventy-nine thousand, five hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 121 211 242 422 484 844 968 1688 2321 4642 6869 9284 13738 18568 25531 27476 51062 54952 75559 102124 151118 204248 302236 604472 831149 1449359 1662298 2898718 3324596 5797436 6649192 11594872 15942949 31885898 63771796 127543592 175372439 350744878 701489756 1402979512