Search a number
-
+
155430795 = 35134119441
BaseRepresentation
bin10010100001110…
…10111110001011
3101211110200222010
421100322332023
5304242241140
623231231003
73565066002
oct1120727613
9354420863
10155430795
117a811503
1244078463
1326280ab0
14168ddc39
15d9a3880
hex943af8b

155430795 has 32 divisors (see below), whose sum is σ = 274365504. Its totient is φ = 74649600.

The previous prime is 155430791. The next prime is 155430799. The reversal of 155430795 is 597034551.

It is an interprime number because it is at equal distance from previous prime (155430791) and next prime (155430799).

It is not a de Polignac number, because 155430795 - 22 = 155430791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (155430791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1726 + ... + 17715.

It is an arithmetic number, because the mean of its divisors is an integer number (8573922).

Almost surely, 2155430795 is an apocalyptic number.

155430795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

155430795 is a deficient number, since it is larger than the sum of its proper divisors (118934709).

155430795 is a wasteful number, since it uses less digits than its factorization.

155430795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19503.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 155430795 is about 12467.1887368404. The cubic root of 155430795 is about 537.6657300373.

The spelling of 155430795 in words is "one hundred fifty-five million, four hundred thirty thousand, seven hundred ninety-five".

Divisors: 1 3 5 13 15 39 41 65 123 195 205 533 615 1599 2665 7995 19441 58323 97205 252733 291615 758199 797081 1263665 2391243 3790995 3985405 10362053 11956215 31086159 51810265 155430795