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155235332 = 227243113163
BaseRepresentation
bin10010100000010…
…11010000000100
3101211002202211202
421100023100010
5304220012312
623223122032
73563323100
oct1120132004
9354082752
10155235332
117a69866a
1243ba3318
1326212b35
141688c900
15d9659c2
hex940b404

155235332 has 72 divisors (see below), whose sum is σ = 328226976. Its totient is φ = 64012032.

The previous prime is 155235331. The next prime is 155235341. The reversal of 155235332 is 233532551.

It is a junction number, because it is equal to n+sod(n) for n = 155235295 and 155235304.

It is not an unprimeable number, because it can be changed into a prime (155235331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 952283 + ... + 952445.

It is an arithmetic number, because the mean of its divisors is an integer number (4558708).

Almost surely, 2155235332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155235332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164113488).

155235332 is an abundant number, since it is smaller than the sum of its proper divisors (172991644).

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

155235332 is a wasteful number, since it uses less digits than its factorization.

155235332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 328 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 155235332 is about 12459.3471739092. The cubic root of 155235332 is about 537.4402538242.

Adding to 155235332 its reverse (233532551), we get a palindrome (388767883).

The spelling of 155235332 in words is "one hundred fifty-five million, two hundred thirty-five thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 43 49 86 98 113 163 172 196 226 301 326 452 602 652 791 1141 1204 1582 2107 2282 3164 4214 4564 4859 5537 7009 7987 8428 9718 11074 14018 15974 18419 19436 22148 28036 31948 34013 36838 49063 68026 73676 98126 128933 136052 196252 238091 257866 343441 476182 515732 686882 792017 902531 952364 1373764 1584034 1805062 3168068 3610124 5544119 11088238 22176476 38808833 77617666 155235332