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1355155230 = 235112132472
BaseRepresentation
bin101000011000110…
…0000011100011110
310111102222000111110
41100301200130132
510233404431410
6342245402450
745403425612
oct12061403436
93442860443
101355155230
11635a4a200
12319a09426
131879a9a00
14cbd9b342
157de87720
hex50c6071e

1355155230 has 216 divisors, whose sum is σ = 3955184856. Its totient is φ = 296799360.

The previous prime is 1355155223. The next prime is 1355155271. The reversal of 1355155230 is 325515531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 28833067 + ... + 28833113.

It is an arithmetic number, because the mean of its divisors is an integer number (18311041).

Almost surely, 21355155230 is an apocalyptic number.

1355155230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355155230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977592428).

1355155230 is an abundant number, since it is smaller than the sum of its proper divisors (2600029626).

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

1355155230 is a wasteful number, since it uses less digits than its factorization.

1355155230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1355155230 is about 36812.4330899222. The cubic root of 1355155230 is about 1106.6144796643.

Multiplying 1355155230 by its sum of digits (30), we get a square (40654656900 = 2016302).

1355155230 divided by its sum of digits (30) gives a square (45171841 = 67212).

The spelling of 1355155230 in words is "one billion, three hundred fifty-five million, one hundred fifty-five thousand, two hundred thirty".