[go: up one dir, main page]

Search a number
-
+
155332030 = 25719116791
BaseRepresentation
bin10010100001000…
…10110110111110
3101211021200111011
421100202312332
5304231111110
623225145434
73564205030
oct1120426676
9354250434
10155332030
117a754287
124402b27a
1326247b59
14168b5c50
15d98448a
hex9422dbe

155332030 has 32 divisors (see below), whose sum is σ = 336360960. Its totient is φ = 50453280.

The previous prime is 155332027. The next prime is 155332057. The reversal of 155332030 is 30233551.

It is a happy number.

155332030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155331992 and 155332010.

It is a congruent 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, 57066 + ... + 59725.

It is an arithmetic number, because the mean of its divisors is an integer number (10511280).

Almost surely, 2155332030 is an apocalyptic number.

155332030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155332030 is an abundant number, since it is smaller than the sum of its proper divisors (181028930).

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

155332030 is a wasteful number, since it uses less digits than its factorization.

155332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116824.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 155332030 is about 12463.2271101830. The cubic root of 155332030 is about 537.5518233790.

Adding to 155332030 its reverse (30233551), we get a palindrome (185565581).

The spelling of 155332030 in words is "one hundred fifty-five million, three hundred thirty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 116791 233582 583955 817537 1167910 1635074 2219029 4087685 4438058 8175370 11095145 15533203 22190290 31066406 77666015 155332030