Search a number
-
+
1358024690 = 251137333667
BaseRepresentation
bin101000011110001…
…1100111111110010
310111122100210122202
41100330130333302
510240123242230
6342431103202
745440006441
oct12074347762
93448323582
101358024690
1163762a060
1231a971b02
13188472b09
14cc506d58
157e352a45
hex50f1cff2

1358024690 has 32 divisors (see below), whose sum is σ = 2738746944. Its totient is φ = 480479040.

The previous prime is 1358024683. The next prime is 1358024737. The reversal of 1358024690 is 964208531.

It is a happy number.

It is a super-2 number, since 2×13580246902 = 3688462117299192200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162764 + ... + 170903.

It is an arithmetic number, because the mean of its divisors is an integer number (85585842).

Almost surely, 21358024690 is an apocalyptic number.

1358024690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1358024690 is an abundant number, since it is smaller than the sum of its proper divisors (1380722254).

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

1358024690 is a wasteful number, since it uses less digits than its factorization.

1358024690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333722.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1358024690 is about 36851.3865410787. The cubic root of 1358024690 is about 1107.3949923115.

The spelling of 1358024690 in words is "one billion, three hundred fifty-eight million, twenty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 333667 667334 1668335 3336670 3670337 7340674 12345679 18351685 24691358 36703370 61728395 123456790 135802469 271604938 679012345 1358024690