Search a number
-
+
80952372 = 2234249853
BaseRepresentation
bin1001101001100…
…11110000110100
312122022210210000
410310303300310
5131210433442
612011031300
72002040514
oct464636064
9178283700
1080952372
1141771796
122313b530
1313a04a17
14aa73844
157190d4c
hex4d33c34

80952372 has 30 divisors (see below), whose sum is σ = 211626338. Its totient is φ = 26984016.

The previous prime is 80952343. The next prime is 80952397. The reversal of 80952372 is 27325908.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80353296 + 599076 = 8964^2 + 774^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124603 + ... + 125250.

Almost surely, 280952372 is an apocalyptic number.

It is an amenable number.

80952372 is an abundant number, since it is smaller than the sum of its proper divisors (130673966).

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

80952372 is a wasteful number, since it uses less digits than its factorization.

80952372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249869 (or 249858 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 80952372 is about 8997.3536109236. The cubic root of 80952372 is about 432.5900501904.

The spelling of 80952372 in words is "eighty million, nine hundred fifty-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 249853 499706 749559 999412 1499118 2248677 2998236 4497354 6746031 8994708 13492062 20238093 26984124 40476186 80952372