Search a number
-
+
87742034 = 261719197
BaseRepresentation
bin1010011101011…
…01011001010010
320010002202102222
411032231121102
5134430221114
612412341042
72113536452
oct516553122
9203082388
1087742034
1145589986
1225474782
1315241283
14b91dd62
157a8298e
hex53ad652

87742034 has 8 divisors (see below), whose sum is σ = 133770828. Its totient is φ = 43151760.

The previous prime is 87742021. The next prime is 87742043. The reversal of 87742034 is 43024778.

It can be written as a sum of positive squares in 2 ways, for example, as 87703225 + 38809 = 9365^2 + 197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 87741985 and 87742003.

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, 359477 + ... + 359720.

Almost surely, 287742034 is an apocalyptic number.

87742034 is a deficient number, since it is larger than the sum of its proper divisors (46028794).

87742034 is a wasteful number, since it uses less digits than its factorization.

87742034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719260.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 87742034 is about 9367.0717943229. The cubic root of 87742034 is about 444.3609629917.

The spelling of 87742034 in words is "eighty-seven million, seven hundred forty-two thousand, thirty-four".

Divisors: 1 2 61 122 719197 1438394 43871017 87742034