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102874530 = 235112571213
BaseRepresentation
bin1100010000110…
…11110110100010
321011120120022210
412020123312202
5202313441110
614112542550
72356263513
oct610336642
9234516283
10102874530
1153085180
122a551a56
131840c005
14d93ca0a
159071520
hex621bda2

102874530 has 64 divisors (see below), whose sum is σ = 270615168. Its totient is φ = 24821760.

The previous prime is 102874529. The next prime is 102874549. The reversal of 102874530 is 35478201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 84204 + ... + 85416.

It is an arithmetic number, because the mean of its divisors is an integer number (4228362).

Almost surely, 2102874530 is an apocalyptic number.

102874530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102874530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135307584).

102874530 is an abundant number, since it is smaller than the sum of its proper divisors (167740638).

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

102874530 is a wasteful number, since it uses less digits than its factorization.

102874530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 102874530 is about 10142.7082182226. The cubic root of 102874530 is about 468.5643986987.

The spelling of 102874530 in words is "one hundred two million, eight hundred seventy-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 257 330 514 771 1213 1285 1542 2426 2570 2827 3639 3855 5654 6065 7278 7710 8481 12130 13343 14135 16962 18195 26686 28270 36390 40029 42405 66715 80058 84810 133430 200145 311741 400290 623482 935223 1558705 1870446 3117410 3429151 4676115 6858302 9352230 10287453 17145755 20574906 34291510 51437265 102874530