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1420249332 = 223118354111
BaseRepresentation
bin101010010100111…
…0100100011110100
310122222110010211010
41110221310203310
510402040434312
6352532512220
750123630415
oct12451644364
93588403733
101420249332
1166976a387
1233777b670
1319831b528
14d68a380c
1584a4493c
hex54a748f4

1420249332 has 12 divisors (see below), whose sum is σ = 3313915136. Its totient is φ = 473416440.

The previous prime is 1420249331. The next prime is 1420249349. The reversal of 1420249332 is 2339420241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1420249332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420249331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59177044 + ... + 59177067.

Almost surely, 21420249332 is an apocalyptic number.

1420249332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420249332 is an abundant number, since it is smaller than the sum of its proper divisors (1893665804).

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

1420249332 is a wasteful number, since it uses less digits than its factorization.

1420249332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118354118 (or 118354116 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1420249332 is about 37686.1955097619. The cubic root of 1420249332 is about 1124.0566464192.

Adding to 1420249332 its reverse (2339420241), we get a palindrome (3759669573).

The spelling of 1420249332 in words is "one billion, four hundred twenty million, two hundred forty-nine thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 118354111 236708222 355062333 473416444 710124666 1420249332