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396048940 = 22572997549
BaseRepresentation
bin10111100110110…
…011101000101100
31000121020101000021
4113212303220230
51302342031230
6103144411524
712546234430
oct2746635054
91017211007
10396048940
11193617481
12b0776ba4
136408a0b1
143a8569c0
1524b82c7a
hex179b3a2c

396048940 has 48 divisors (see below), whose sum is σ = 983304000. Its totient is φ = 131104512.

The previous prime is 396048907. The next prime is 396048941. The reversal of 396048940 is 49840693.

It is not an unprimeable number, because it can be changed into a prime (396048941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44715 + ... + 52834.

It is an arithmetic number, because the mean of its divisors is an integer number (20485500).

Almost surely, 2396048940 is an apocalyptic number.

It is an amenable number.

396048940 is an abundant number, since it is smaller than the sum of its proper divisors (587255060).

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

396048940 is a wasteful number, since it uses less digits than its factorization.

396048940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97594 (or 97592 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 396048940 is about 19900.9783679095. The cubic root of 396048940 is about 734.3722963896.

It can be divided in two parts, 3960 and 48940, that added together give a square (52900 = 2302).

The spelling of 396048940 in words is "three hundred ninety-six million, forty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 97549 195098 390196 487745 682843 975490 1365686 1950980 2731372 2828921 3414215 5657842 6828430 11315684 13656860 14144605 19802447 28289210 39604894 56578420 79209788 99012235 198024470 396048940