Search a number
-
+
36969081 = 331397517
BaseRepresentation
bin1000110100000…
…1101001111001
32120120020001020
42031001221321
533431002311
63400213053
7626142402
oct215015171
976506036
1036969081
1119960466
121046a189
1378750c6
144ca49a9
1533a3c06
hex2341a79

36969081 has 8 divisors (see below), whose sum is σ = 50882304. Its totient is φ = 23850960.

The previous prime is 36969071. The next prime is 36969083. The reversal of 36969081 is 18096963.

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

It is a de Polignac number, because none of the positive numbers 2k-36969081 is a prime.

It is a super-2 number, since 2×369690812 = 2733425899969122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36969083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198666 + ... + 198851.

It is an arithmetic number, because the mean of its divisors is an integer number (6360288).

Almost surely, 236969081 is an apocalyptic number.

36969081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36969081 is a deficient number, since it is larger than the sum of its proper divisors (13913223).

36969081 is a wasteful number, since it uses less digits than its factorization.

36969081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397551.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 36969081 is about 6080.2204729763. The cubic root of 36969081 is about 333.1293404083.

The spelling of 36969081 in words is "thirty-six million, nine hundred sixty-nine thousand, eighty-one".

Divisors: 1 3 31 93 397517 1192551 12323027 36969081