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87413060 = 22572191467
BaseRepresentation
bin1010011010111…
…01000101000100
320002111001011202
411031131011010
5134334204220
612401322032
72110666400
oct515350504
9202431152
1087413060
11453847a9
1225336318
1315157607
14b876100
157a1a275
hex535d144

87413060 has 72 divisors (see below), whose sum is σ = 215115264. Its totient is φ = 29749440.

The previous prime is 87413057. The next prime is 87413089. The reversal of 87413060 is 6031478.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186947 + ... + 187413.

It is an arithmetic number, because the mean of its divisors is an integer number (2987712).

Almost surely, 287413060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87413060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107557632).

87413060 is an abundant number, since it is smaller than the sum of its proper divisors (127702204).

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

87413060 is a wasteful number, since it uses less digits than its factorization.

87413060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 87413060 is about 9349.4951735374. The cubic root of 87413060 is about 443.8049152431.

The spelling of 87413060 in words is "eighty-seven million, four hundred thirteen thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 191 196 245 382 467 490 764 934 955 980 1337 1868 1910 2335 2674 3269 3820 4670 5348 6538 6685 9340 9359 13076 13370 16345 18718 22883 26740 32690 37436 45766 46795 65380 89197 91532 93590 114415 178394 187180 228830 356788 445985 457660 624379 891970 1248758 1783940 2497516 3121895 4370653 6243790 8741306 12487580 17482612 21853265 43706530 87413060