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7948385464 = 231621612923
BaseRepresentation
bin1110110011100001…
…01011110010111000
3202111221021211001211
413121300223302320
5112234241313324
63352413252504
7400653106315
oct73160536270
922457254054
107948385464
113409724708
121659a94134
13998940b86
145558add0c
15317c02294
hex1d9c2bcb8

7948385464 has 16 divisors (see below), whose sum is σ = 14912440920. Its totient is φ = 3971734560.

The previous prime is 7948385449. The next prime is 7948385483. The reversal of 7948385464 is 4645838497.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7948385399 and 7948385408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293494 + ... + 319429.

Almost surely, 27948385464 is an apocalyptic number.

It is an amenable number.

7948385464 is a deficient number, since it is larger than the sum of its proper divisors (6964055456).

7948385464 is a wasteful number, since it uses less digits than its factorization.

7948385464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614550 (or 614546 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 58.

The square root of 7948385464 is about 89153.7181726034. The cubic root of 7948385464 is about 1995.6895051580.

The spelling of 7948385464 in words is "seven billion, nine hundred forty-eight million, three hundred eighty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 1621 3242 6484 12968 612923 1225846 2451692 4903384 993548183 1987096366 3974192732 7948385464