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972715996 = 227175338557
BaseRepresentation
bin111001111110100…
…111011111011100
32111210100002111101
4321332213133130
53443003402441
6240304402444
733050643460
oct7176473734
92453302441
10972715996
1145a088a1a
12231916424
131266a64c5
14932884a0
155a5e2231
hex39fa77dc

972715996 has 48 divisors (see below), whose sum is σ = 2098789056. Its totient is φ = 384943104.

The previous prime is 972715981. The next prime is 972716009. The reversal of 972715996 is 699517279.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5950 + ... + 44506.

It is an arithmetic number, because the mean of its divisors is an integer number (43724772).

Almost surely, 2972715996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972715996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049394528).

972715996 is an abundant number, since it is smaller than the sum of its proper divisors (1126073060).

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

972715996 is a wasteful number, since it uses less digits than its factorization.

972715996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38638 (or 38636 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 55.

The square root of 972715996 is about 31188.3952136047. The cubic root of 972715996 is about 990.8213419977.

The spelling of 972715996 in words is "nine hundred seventy-two million, seven hundred fifteen thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 17 28 34 53 68 106 119 212 238 371 476 742 901 1484 1802 3604 6307 12614 25228 38557 77114 154228 269899 539798 655469 1079596 1310938 2043521 2621876 4087042 4588283 8174084 9176566 14304647 18353132 28609294 34739857 57218588 69479714 138959428 243178999 486357998 972715996