Search a number
-
+
76973240 = 2351924331
BaseRepresentation
bin1001001011010…
…00010010111000
312100211122102202
410211220102320
5124201120430
611345445332
71623155531
oct445502270
9170748382
1076973240
113a4a4153
1221940848
1312c407c6
14a319688
156b56d45
hex49684b8

76973240 has 16 divisors (see below), whose sum is σ = 173189880. Its totient is φ = 30789280.

The previous prime is 76973213. The next prime is 76973243. The reversal of 76973240 is 4237967.

It is a junction number, because it is equal to n+sod(n) for n = 76973194 and 76973203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76973243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962126 + ... + 962205.

Almost surely, 276973240 is an apocalyptic number.

It is an amenable number.

76973240 is an abundant number, since it is smaller than the sum of its proper divisors (96216640).

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

76973240 is a wasteful number, since it uses less digits than its factorization.

76973240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924342 (or 1924338 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 76973240 is about 8773.4394623773. The cubic root of 76973240 is about 425.3827969802.

The spelling of 76973240 in words is "seventy-six million, nine hundred seventy-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1924331 3848662 7697324 9621655 15394648 19243310 38486620 76973240