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155356630 = 251113261137
BaseRepresentation
bin10010100001010…
…00110111010110
3101211022221020021
421100220313112
5304232403010
623225455354
73564336532
oct1120506726
9354287207
10155356630
117a770810
124404155a
1326256100
14168c0bc2
15d98b8da
hex9428dd6

155356630 has 96 divisors (see below), whose sum is σ = 338201568. Its totient is φ = 50918400.

The previous prime is 155356603. The next prime is 155356631. The reversal of 155356630 is 36653551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155356631) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1133922 + ... + 1134058.

It is an arithmetic number, because the mean of its divisors is an integer number (3522933).

Almost surely, 2155356630 is an apocalyptic number.

155356630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155356630 is an abundant number, since it is smaller than the sum of its proper divisors (182844938).

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

155356630 is a wasteful number, since it uses less digits than its factorization.

155356630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 155356630 is about 12464.2139744149. The cubic root of 155356630 is about 537.5801993184.

The spelling of 155356630 in words is "one hundred fifty-five million, three hundred fifty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 61 65 110 122 130 137 143 169 274 286 305 338 610 671 685 715 793 845 1342 1370 1430 1507 1586 1690 1781 1859 3014 3355 3562 3718 3965 6710 7535 7930 8357 8723 8905 9295 10309 15070 16714 17446 17810 18590 19591 20618 23153 39182 41785 43615 46306 51545 83570 87230 91927 97955 103090 108641 113399 115765 183854 195910 217282 226798 231530 254683 459635 509366 543205 566995 919270 1086410 1133990 1195051 1273415 1412333 2390102 2546830 2824666 5975255 7061665 11950510 14123330 15535663 31071326 77678315 155356630