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1420124650 = 252723176413
BaseRepresentation
bin101010010100101…
…0110000111101010
310122222012210210021
41110221112013222
510402022442100
6352530111054
750122601050
oct12451260752
93588183707
101420124650
1166969473a
1233771b48a
131982a6859
14d68701d0
1584a1ca1a
hex54a561ea

1420124650 has 48 divisors (see below), whose sum is σ = 3150048384. Its totient is φ = 465727680.

The previous prime is 1420124647. The next prime is 1420124659. The reversal of 1420124650 is 564210241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1420124659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80157 + ... + 96256.

It is an arithmetic number, because the mean of its divisors is an integer number (65626008).

Almost surely, 21420124650 is an apocalyptic number.

1420124650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420124650 is an abundant number, since it is smaller than the sum of its proper divisors (1729923734).

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

1420124650 is a wasteful number, since it uses less digits than its factorization.

1420124650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176455 (or 176450 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1420124650 is about 37684.5412603099. The cubic root of 1420124650 is about 1124.0237522579.

Adding to 1420124650 its reverse (564210241), we get a palindrome (1984334891).

The spelling of 1420124650 in words is "one billion, four hundred twenty million, one hundred twenty-four thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 23 25 35 46 50 70 115 161 175 230 322 350 575 805 1150 1610 4025 8050 176413 352826 882065 1234891 1764130 2469782 4057499 4410325 6174455 8114998 8820650 12348910 20287495 28402493 30872275 40574990 56804986 61744550 101437475 142012465 202874950 284024930 710062325 1420124650