Search a number
-
+
1438002950 = 25228760059
BaseRepresentation
bin101010110110110…
…0010111100000110
310201012212010012112
41111231202330012
510421112043300
6354405221022
750430552266
oct12555427406
93635763175
101438002950
1167879599a
12341701772
1319bbc6327
14d8da57a6
158639ee35
hex55b62f06

1438002950 has 12 divisors (see below), whose sum is σ = 2674685580. Its totient is φ = 575201160.

The previous prime is 1438002949. The next prime is 1438002967. The reversal of 1438002950 is 592008341.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14379980 + ... + 14380079.

It is an arithmetic number, because the mean of its divisors is an integer number (222890465).

Almost surely, 21438002950 is an apocalyptic number.

1438002950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1438002950 is a deficient number, since it is larger than the sum of its proper divisors (1236682630).

1438002950 is a wasteful number, since it uses less digits than its factorization.

1438002950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28760071 (or 28760066 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1438002950 is about 37921.0093483810. The cubic root of 1438002950 is about 1128.7209664815.

The spelling of 1438002950 in words is "one billion, four hundred thirty-eight million, two thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 28760059 57520118 143800295 287600590 719001475 1438002950