Search a number
-
+
1421030044 = 227291750037
BaseRepresentation
bin101010010110011…
…0011001010011100
310200000220210202101
41110230303022130
510402240430134
6353001334444
750133361510
oct12454631234
93600823671
101421030044
1166a1529a5
12337a97424
131985329a5
14d6a28140
1584b4ae14
hex54b3329c

1421030044 has 24 divisors (see below), whose sum is σ = 2940063840. Its totient is φ = 588012096.

The previous prime is 1421030041. The next prime is 1421030063. The reversal of 1421030044 is 4400301241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421030041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874207 + ... + 875830.

It is an arithmetic number, because the mean of its divisors is an integer number (122502660).

Almost surely, 21421030044 is an apocalyptic number.

1421030044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1421030044 is an abundant number, since it is smaller than the sum of its proper divisors (1519033796).

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

1421030044 is a wasteful number, since it uses less digits than its factorization.

1421030044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750077 (or 1750075 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1421030044 is about 37696.5521500309. The cubic root of 1421030044 is about 1124.2625735858.

Adding to 1421030044 its reverse (4400301241), we get a palindrome (5821331285).

The spelling of 1421030044 in words is "one billion, four hundred twenty-one million, thirty thousand, forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 1750037 3500074 7000148 12250259 24500518 49001036 50751073 101502146 203004292 355257511 710515022 1421030044