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155113630 = 2574747147
BaseRepresentation
bin10010011111011…
…01100010011110
3101210212120220021
421033231202132
5304202114010
623220342354
73562305220
oct1117554236
9353776807
10155113630
117a615191
1243b449ba
132619c619
141685a410
15d93e8da
hex93ed89e

155113630 has 32 divisors (see below), whose sum is σ = 325886976. Its totient is φ = 52049184.

The previous prime is 155113613. The next prime is 155113681. The reversal of 155113630 is 36311551.

It is a junction number, because it is equal to n+sod(n) for n = 155113595 and 155113604.

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, 20284 + ... + 26863.

It is an arithmetic number, because the mean of its divisors is an integer number (10183968).

Almost surely, 2155113630 is an apocalyptic number.

155113630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155113630 is an abundant number, since it is smaller than the sum of its proper divisors (170773346).

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

155113630 is a wasteful number, since it uses less digits than its factorization.

155113630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47208.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 155113630 is about 12454.4622525423. The cubic root of 155113630 is about 537.2997689376.

The spelling of 155113630 in words is "one hundred fifty-five million, one hundred thirteen thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 329 470 658 1645 3290 47147 94294 235735 330029 471470 660058 1650145 2215909 3300290 4431818 11079545 15511363 22159090 31022726 77556815 155113630