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1378363430 = 25370137243
BaseRepresentation
bin101001000101000…
…0010100000100110
310120001122010011102
41102022002200212
510310330112210
6344435040102
746104616163
oct12212024046
93501563142
101378363430
11648060934
12325740032
1318c744482
14d10bd06a
158101dea5
hex52282826

1378363430 has 16 divisors (see below), whose sum is σ = 2481791184. Its totient is φ = 551181600.

The previous prime is 1378363423. The next prime is 1378363433. The reversal of 1378363430 is 343638731.

It is a super-2 number, since 2×13783634302 = 3799771490322729800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378363433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18389 + ... + 55631.

It is an arithmetic number, because the mean of its divisors is an integer number (155111949).

Almost surely, 21378363430 is an apocalyptic number.

1378363430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1378363430 is a deficient number, since it is larger than the sum of its proper divisors (1103427754).

1378363430 is a wasteful number, since it uses less digits than its factorization.

1378363430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40951.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 1378363430 is about 37126.3172156895. The cubic root of 1378363430 is about 1112.8959980661.

The spelling of 1378363430 in words is "one billion, three hundred seventy-eight million, three hundred sixty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 3701 7402 18505 37010 37243 74486 186215 372430 137836343 275672686 689181715 1378363430