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1968420352 = 293844571
BaseRepresentation
bin111010101010011…
…1011011000000000
312002011221010002111
41311110323120000
513012403422402
6523154025104
766531203563
oct16524733000
95064833074
101968420352
11920138388
1246b278194
13254a6b392
141495d84da
15b7c259d7
hex7553b600

1968420352 has 20 divisors (see below), whose sum is σ = 3932997156. Its totient is φ = 984209920.

The previous prime is 1968420341. The next prime is 1968420359. The reversal of 1968420352 is 2530248691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968420359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921774 + ... + 1922797.

Almost surely, 21968420352 is an apocalyptic number.

It is an amenable number.

1968420352 is a deficient number, since it is larger than the sum of its proper divisors (1964576804).

1968420352 is an frugal number, since it uses more digits than its factorization.

1968420352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844589 (or 3844573 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1968420352 is about 44366.8835056058. The cubic root of 1968420352 is about 1253.2545275132.

The spelling of 1968420352 in words is "one billion, nine hundred sixty-eight million, four hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 3844571 7689142 15378284 30756568 61513136 123026272 246052544 492105088 984210176 1968420352