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152539414240 = 25517123145557
BaseRepresentation
bin1000111000010000001…
…1101011111011100000
3112120201201211010022211
42032010003223323200
54444400042223430
6154024201011504
714010032425213
oct2160403537340
9476651733284
10152539414240
1159767582704
1225691183b94
13114cc6cb935
147550b4177a
153e7b9e372a
hex23840ebee0

152539414240 has 96 divisors (see below), whose sum is σ = 381891210624. Its totient is φ = 57378693120.

The previous prime is 152539414231. The next prime is 152539414271. The reversal of 152539414240 is 42414935251.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 152539414193 and 152539414202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3325542 + ... + 3371098.

It is an arithmetic number, because the mean of its divisors is an integer number (3978033444).

Almost surely, 2152539414240 is an apocalyptic number.

152539414240 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 152539414240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190945605312).

152539414240 is an abundant number, since it is smaller than the sum of its proper divisors (229351796384).

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

152539414240 is a wasteful number, since it uses less digits than its factorization.

152539414240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46820 (or 46812 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 152539414240 in words is "one hundred fifty-two billion, five hundred thirty-nine million, four hundred fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1231 1360 2462 2720 4924 6155 9848 12310 19696 20927 24620 39392 41854 45557 49240 83708 91114 98480 104635 167416 182228 196960 209270 227785 334832 364456 418540 455570 669664 728912 774469 837080 911140 1457824 1548938 1674160 1822280 3097876 3348320 3644560 3872345 6195752 7289120 7744690 12391504 15489380 24783008 30978760 56080667 61957520 112161334 123915040 224322668 280403335 448645336 560806670 897290672 953371339 1121613340 1794581344 1906742678 2243226680 3813485356 4486453360 4766856695 7626970712 8972906720 9533713390 15253941424 19067426780 30507882848 38134853560 76269707120 152539414240