Search a number
-
+
86951490 = 2352898383
BaseRepresentation
bin1010010111011…
…00011001000010
320001121121000120
411023230121002
5134224421430
612343401110
72104034613
oct513543102
9201547016
1086951490
1145099a3a
1225153196
13150254b2
14b795c0a
157978610
hex52ec642

86951490 has 16 divisors (see below), whose sum is σ = 208683648. Its totient is φ = 23187056.

The previous prime is 86951489. The next prime is 86951507. The reversal of 86951490 is 9415968.

It is a super-2 number, since 2×869514902 = 15121123226440200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449162 + ... + 1449221.

It is an arithmetic number, because the mean of its divisors is an integer number (13042728).

Almost surely, 286951490 is an apocalyptic number.

86951490 is an abundant number, since it is smaller than the sum of its proper divisors (121732158).

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

86951490 is a wasteful number, since it uses less digits than its factorization.

86951490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898393.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 86951490 is about 9324.7782815464. The cubic root of 86951490 is about 443.0223904898.

The spelling of 86951490 in words is "eighty-six million, nine hundred fifty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2898383 5796766 8695149 14491915 17390298 28983830 43475745 86951490