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4971312 = 2432192379
BaseRepresentation
bin10010111101101100110000
3100100120100200
4102331230300
52233040222
6254315200
760153423
oct22755460
910316320
104971312
112896025
1217b8b00
131050a08
149359ba
15682eac
hex4bdb30

4971312 has 120 divisors (see below), whose sum is σ = 15475200. Its totient is φ = 1482624.

The previous prime is 4971301. The next prime is 4971313. The reversal of 4971312 is 2131794.

Its product of digits (1512) is a multiple of the sum of its prime divisors (126).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62889 + ... + 62967.

It is an arithmetic number, because the mean of its divisors is an integer number (128960).

Almost surely, 24971312 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 4971312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7737600).

4971312 is an abundant number, since it is smaller than the sum of its proper divisors (10503888).

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

4971312 is a wasteful number, since it uses less digits than its factorization.

4971312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 126 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 4971312 is about 2229.6439177591. The cubic root of 4971312 is about 170.6699285943.

The spelling of 4971312 in words is "four million, nine hundred seventy-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 23 24 36 38 46 48 57 69 72 76 79 92 114 138 144 152 158 171 184 207 228 237 276 304 316 342 368 414 437 456 474 552 632 684 711 828 874 912 948 1104 1264 1311 1368 1422 1501 1656 1748 1817 1896 2622 2736 2844 3002 3312 3496 3634 3792 3933 4503 5244 5451 5688 6004 6992 7268 7866 9006 10488 10902 11376 12008 13509 14536 15732 16353 18012 20976 21804 24016 27018 29072 31464 32706 34523 36024 43608 54036 62928 65412 69046 72048 87216 103569 108072 130824 138092 207138 216144 261648 276184 310707 414276 552368 621414 828552 1242828 1657104 2485656 4971312