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1429587972 = 2232166323879
BaseRepresentation
bin101010100110101…
…1100100000000100
310200122000121000200
41111031130200010
510411433303342
6353505010500
750266203651
oct12515344004
93618017020
101429587972
11673a6866a
1233a923a30
1319a23b057
14d7c14c28
158578b94c
hex5535c804

1429587972 has 36 divisors (see below), whose sum is σ = 3616005120. Its totient is φ = 476222832.

The previous prime is 1429587967. The next prime is 1429587989. The reversal of 1429587972 is 2797859241.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47929 + ... + 71807.

Almost surely, 21429587972 is an apocalyptic number.

1429587972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1429587972 is an abundant number, since it is smaller than the sum of its proper divisors (2186417148).

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

1429587972 is a wasteful number, since it uses less digits than its factorization.

1429587972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25552 (or 25547 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 1429587972 is about 37809.8925150548. The cubic root of 1429587972 is about 1126.5149557442.

The spelling of 1429587972 in words is "one billion, four hundred twenty-nine million, five hundred eighty-seven thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 1663 3326 4989 6652 9978 14967 19956 23879 29934 47758 59868 71637 95516 143274 214911 286548 429822 859644 39710777 79421554 119132331 158843108 238264662 357396993 476529324 714793986 1429587972