Search a number
-
+
87404396 = 2247464917
BaseRepresentation
bin1010011010110…
…10111101101100
320002110121021212
411031122331230
5134333420041
612401213552
72110632212
oct515327554
9202417255
1087404396
1145379242
12253312b8
13151536a1
14b872cb2
157a178eb
hex535af6c

87404396 has 12 divisors (see below), whose sum is σ = 156212448. Its totient is φ = 42772272.

The previous prime is 87404377. The next prime is 87404417. The reversal of 87404396 is 69340478.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232271 + ... + 232646.

It is an arithmetic number, because the mean of its divisors is an integer number (13017704).

Almost surely, 287404396 is an apocalyptic number.

It is an amenable number.

87404396 is a deficient number, since it is larger than the sum of its proper divisors (68808052).

87404396 is a wasteful number, since it uses less digits than its factorization.

87404396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464968 (or 464966 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 87404396 is about 9349.0318215310. The cubic root of 87404396 is about 443.7902520916.

The spelling of 87404396 in words is "eighty-seven million, four hundred four thousand, three hundred ninety-six".

Divisors: 1 2 4 47 94 188 464917 929834 1859668 21851099 43702198 87404396