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3878464 = 2660601
BaseRepresentation
bin1110110010111001000000
321022001020211
432302321000
51443102324
6215043504
744652322
oct16627100
97261224
103878464
112209a47
121370594
13a5a465
1472d612
15519294
hex3b2e40

3878464 has 14 divisors (see below), whose sum is σ = 7696454. Its totient is φ = 1939200.

The previous prime is 3878449. The next prime is 3878491. The reversal of 3878464 is 4648783.

It can be written as a sum of positive squares in only one way, i.e., 3841600 + 36864 = 1960^2 + 192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30237 + ... + 30364.

Almost surely, 23878464 is an apocalyptic number.

It is an amenable number.

3878464 is a deficient number, since it is larger than the sum of its proper divisors (3817990).

3878464 is an equidigital number, since it uses as much as digits as its factorization.

3878464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60613 (or 60603 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 3878464 is about 1969.3816288368. The cubic root of 3878464 is about 157.1158218740.

The spelling of 3878464 in words is "three million, eight hundred seventy-eight thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 60601 121202 242404 484808 969616 1939232 3878464