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1402948919 = 174789109181
BaseRepresentation
bin101001110011111…
…0100110100110111
310121202220012010002
41103213310310313
510333123331134
6351114021515
746523604041
oct12347646467
93552805102
101402948919
1165aa23319
12331a1789b
13194871ab8
14d447ca91
158327887e
hex539f4d37

1402948919 has 32 divisors (see below), whose sum is σ = 1556755200. Its totient is φ = 1259089920.

The previous prime is 1402948909. The next prime is 1402948933. The reversal of 1402948919 is 9198492041.

It is a cyclic number.

It is not a de Polignac number, because 1402948919 - 24 = 1402948903 is a prime.

It is a super-2 number, since 2×14029489192 = 3936531338646537122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402948909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7751009 + ... + 7751189.

It is an arithmetic number, because the mean of its divisors is an integer number (48648600).

Almost surely, 21402948919 is an apocalyptic number.

1402948919 is a deficient number, since it is larger than the sum of its proper divisors (153806281).

1402948919 is a wasteful number, since it uses less digits than its factorization.

1402948919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 1402948919 is about 37455.9597260569. The cubic root of 1402948919 is about 1119.4738491127.

The spelling of 1402948919 in words is "one billion, four hundred two million, nine hundred forty-eight thousand, nine hundred nineteen".

Divisors: 1 17 47 89 109 181 799 1513 1853 3077 4183 5123 8507 9701 16109 19729 71111 87091 144619 164917 273853 335393 455947 757123 927263 1755881 7751099 12871091 15763471 29849977 82526407 1402948919