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3964812940 = 2251189202493
BaseRepresentation
bin1110110001010010…
…0011111010001100
3101020022111100212201
43230110203322030
531104443003230
61453231411244
7200152232254
oct35424437214
911208440781
103964812940
111755040710
12927983b24
134b255177a
142987d4964
151831245ca
hexec523e8c

3964812940 has 48 divisors (see below), whose sum is σ = 9185127840. Its totient is φ = 1425543680.

The previous prime is 3964812937. The next prime is 3964812949. The reversal of 3964812940 is 492184693.

3964812940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3964812949) 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, 81667 + ... + 120826.

It is an arithmetic number, because the mean of its divisors is an integer number (191356830).

Almost surely, 23964812940 is an apocalyptic number.

It is an amenable number.

3964812940 is an abundant number, since it is smaller than the sum of its proper divisors (5220314900).

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

3964812940 is a wasteful number, since it uses less digits than its factorization.

3964812940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202602 (or 202600 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 3964812940 is about 62966.7605963654. The cubic root of 3964812940 is about 1582.7326715368.

The spelling of 3964812940 in words is "three billion, nine hundred sixty-four million, eight hundred twelve thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 89 110 178 220 356 445 890 979 1780 1958 3916 4895 9790 19580 202493 404986 809972 1012465 2024930 2227423 4049860 4454846 8909692 11137115 18021877 22274230 36043754 44548460 72087508 90109385 180218770 198240647 360437540 396481294 792962588 991203235 1982406470 3964812940