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3972024 = 233373771
BaseRepresentation
bin1111001001101110111000
321110210121000
433021232320
52004101044
6221045000
745522150
oct17115670
97423530
103972024
112273271
1213b6760
13a90c14
14755760
15536d69
hex3c9bb8

3972024 has 128 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 1088640.

The previous prime is 3972019. The next prime is 3972029. The reversal of 3972024 is 4202793.

It is an interprime number because it is at equal distance from previous prime (3972019) and next prime (3972029).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55909 + ... + 55979.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

Almost surely, 23972024 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 3972024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6566400).

3972024 is an abundant number, since it is smaller than the sum of its proper divisors (9160776).

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

3972024 is a wasteful number, since it uses less digits than its factorization.

3972024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3972024 is about 1992.9937280383. The cubic root of 3972024 is about 158.3691629594.

The spelling of 3972024 in words is "three million, nine hundred seventy-two thousand, twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 37 42 54 56 63 71 72 74 84 108 111 126 142 148 168 189 213 216 222 252 259 284 296 333 378 426 444 497 504 518 568 639 666 756 777 852 888 994 999 1036 1278 1332 1491 1512 1554 1704 1917 1988 1998 2072 2331 2556 2627 2664 2982 3108 3834 3976 3996 4473 4662 5112 5254 5964 6216 6993 7668 7881 7992 8946 9324 10508 11928 13419 13986 15336 15762 17892 18389 18648 21016 23643 26838 27972 31524 35784 36778 47286 53676 55167 55944 63048 70929 73556 94572 107352 110334 141858 147112 165501 189144 220668 283716 331002 441336 496503 567432 662004 993006 1324008 1986012 3972024