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993315972 = 2231119601659
BaseRepresentation
bin111011001101001…
…100110010000100
32120020002200100110
4323031030302010
54013242102342
6242322113020
733421021635
oct7315146204
92506080313
10993315972
1146a778aa0
122387ab770
1312aa39a3c
1495ccb88c
155c310c9c
hex3b34cc84

993315972 has 96 divisors (see below), whose sum is σ = 2669990400. Its totient is φ = 284256000.

The previous prime is 993315971. The next prime is 993315977. The reversal of 993315972 is 279513399.

It is not an unprimeable number, because it can be changed into a prime (993315971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1506979 + ... + 1507637.

It is an arithmetic number, because the mean of its divisors is an integer number (27812400).

Almost surely, 2993315972 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 993315972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334995200).

993315972 is an abundant number, since it is smaller than the sum of its proper divisors (1676674428).

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

993315972 is a wasteful number, since it uses less digits than its factorization.

993315972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1295 counting only the distinct ones).

The product of its digits is 459270, while the sum is 48.

The square root of 993315972 is about 31516.9156485847. The cubic root of 993315972 is about 997.7670081254.

The spelling of 993315972 in words is "nine hundred ninety-three million, three hundred fifteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 601 627 659 836 1202 1254 1318 1803 1977 2404 2508 2636 3606 3954 6611 7212 7249 7908 11419 12521 13222 14498 19833 21747 22838 25042 26444 28996 34257 37563 39666 43494 45676 50084 68514 75126 79332 86988 125609 137028 137731 150252 251218 275462 376827 396059 413193 502436 550924 753654 792118 826386 1188177 1507308 1584236 1652772 2376354 4356649 4752708 7525121 8713298 13069947 15050242 17426596 22575363 26139894 30100484 45150726 52279788 82776331 90301452 165552662 248328993 331105324 496657986 993315972