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1429686950 = 25229985991
BaseRepresentation
bin101010100110111…
…0100101010100110
310200122012121210112
41111031310222212
510411444440300
6353511053022
750300065346
oct12515645246
93618177715
101429686950
11674025a6a
1233a971172
1319a274113
14d7c3cd26
15857aae35
hex55374aa6

1429686950 has 24 divisors (see below), whose sum is σ = 2750917680. Its totient is φ = 552154400.

The previous prime is 1429686949. The next prime is 1429686953. The reversal of 1429686950 is 596869241.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429686953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491546 + ... + 494445.

It is an arithmetic number, because the mean of its divisors is an integer number (114621570).

Almost surely, 21429686950 is an apocalyptic number.

1429686950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429686950 is a deficient number, since it is larger than the sum of its proper divisors (1321230730).

1429686950 is a wasteful number, since it uses less digits than its factorization.

1429686950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986032 (or 986027 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 1429686950 is about 37811.2013826591. The cubic root of 1429686950 is about 1126.5409533571.

The spelling of 1429686950 in words is "one billion, four hundred twenty-nine million, six hundred eighty-six thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 725 1450 985991 1971982 4929955 9859910 24649775 28593739 49299550 57187478 142968695 285937390 714843475 1429686950