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472621920 = 25358311863
BaseRepresentation
bin11100001010111…
…010001101100000
31012221022200101120
4130022322031200
51431442400140
6114521532240
714466135321
oct3412721540
91187280346
10472621920
11222867931
12112344080
1376bba654
1446aaa448
152b75b1d0
hex1c2ba360

472621920 has 96 divisors (see below), whose sum is σ = 1506822912. Its totient is φ = 124503552.

The previous prime is 472621909. The next prime is 472621949. The reversal of 472621920 is 29126274.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33909 + ... + 45771.

It is an arithmetic number, because the mean of its divisors is an integer number (15696072).

Almost surely, 2472621920 is an apocalyptic number.

472621920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472621920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753411456).

472621920 is an abundant number, since it is smaller than the sum of its proper divisors (1034200992).

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

472621920 is a wasteful number, since it uses less digits than its factorization.

472621920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964 (or 11956 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 472621920 is about 21739.8693648329. The cubic root of 472621920 is about 778.9411009325.

The spelling of 472621920 in words is "four hundred seventy-two million, six hundred twenty-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 83 96 120 160 166 240 249 332 415 480 498 664 830 996 1245 1328 1660 1992 2490 2656 3320 3984 4980 6640 7968 9960 11863 13280 19920 23726 35589 39840 47452 59315 71178 94904 118630 142356 177945 189808 237260 284712 355890 379616 474520 569424 711780 949040 984629 1138848 1423560 1898080 1969258 2847120 2953887 3938516 4923145 5694240 5907774 7877032 9846290 11815548 14769435 15754064 19692580 23631096 29538870 31508128 39385160 47262192 59077740 78770320 94524384 118155480 157540640 236310960 472621920