Search a number
-
+
972950820 = 223516215847
BaseRepresentation
bin111001111111100…
…000110100100100
32111210210000121120
4321333200310210
53443033411240
6240313413540
733052642212
oct7177406444
92453700546
10972950820
1145a229396
12231a0a2b0
1312675935a
1493309cb2
155a63bad0
hex39fe0d24

972950820 has 24 divisors (see below), whose sum is σ = 2724262464. Its totient is φ = 259453536.

The previous prime is 972950813. The next prime is 972950897. The reversal of 972950820 is 28059279.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8107864 + ... + 8107983.

It is an arithmetic number, because the mean of its divisors is an integer number (113510936).

Almost surely, 2972950820 is an apocalyptic number.

It is an amenable number.

972950820 is an abundant number, since it is smaller than the sum of its proper divisors (1751311644).

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

972950820 is a wasteful number, since it uses less digits than its factorization.

972950820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16215859 (or 16215857 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 972950820 is about 31192.1595917949. The cubic root of 972950820 is about 990.9010671904.

The spelling of 972950820 in words is "nine hundred seventy-two million, nine hundred fifty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16215847 32431694 48647541 64863388 81079235 97295082 162158470 194590164 243237705 324316940 486475410 972950820