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151089840 = 24335116359
BaseRepresentation
bin10010000000101…
…11001010110000
3101112022011022000
421000113022300
5302134333330
622554214000
73513146106
oct1100271260
9345264260
10151089840
1178317040
1242724300
13253c0c95
14160cdc76
15d3e7560
hex90172b0

151089840 has 160 divisors (see below), whose sum is σ = 567820800. Its totient is φ = 36622080.

The previous prime is 151089823. The next prime is 151089893. The reversal of 151089840 is 48980151.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 151089795 and 151089804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20581 + ... + 26939.

It is an arithmetic number, because the mean of its divisors is an integer number (3548880).

Almost surely, 2151089840 is an apocalyptic number.

151089840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151089840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283910400).

151089840 is an abundant number, since it is smaller than the sum of its proper divisors (416730960).

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

151089840 is a wasteful number, since it uses less digits than its factorization.

151089840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6380 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 151089840 is about 12291.8607216320. The cubic root of 151089840 is about 532.6129893145.

The spelling of 151089840 in words is "one hundred fifty-one million, eighty-nine thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 88 90 99 108 110 120 132 135 144 165 176 180 198 216 220 240 264 270 297 330 360 396 432 440 495 528 540 594 660 720 792 880 990 1080 1188 1320 1485 1584 1980 2160 2376 2640 2970 3960 4752 5940 6359 7920 11880 12718 19077 23760 25436 31795 38154 50872 57231 63590 69949 76308 95385 101744 114462 127180 139898 152616 171693 190770 209847 228924 254360 279796 286155 305232 343386 349745 381540 419694 457848 508720 559592 572310 629541 686772 699490 763080 839388 858465 915696 1049235 1119184 1144620 1259082 1373544 1398980 1526160 1678776 1716930 1888623 2098470 2289240 2518164 2747088 2797960 3147705 3357552 3433860 3777246 4196940 4578480 5036328 5595920 6295410 6867720 7554492 8393880 9443115 10072656 12590820 13735440 15108984 16787760 18886230 25181640 30217968 37772460 50363280 75544920 151089840