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1378501414 = 21936276353
BaseRepresentation
bin101001000101010…
…0100001100100110
310120001220010102221
41102022210030212
510310344021124
6344442022554
746106032363
oct12212441446
93501803387
101378501414
11648145574
123257a7a5a
1318c792214
14d111746a
1581049ce4
hex522a4326

1378501414 has 8 divisors (see below), whose sum is σ = 2176581240. Its totient is φ = 652974336.

The previous prime is 1378501403. The next prime is 1378501441. The reversal of 1378501414 is 4141058731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×13785014144 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1378501414.

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, 18138139 + ... + 18138214.

It is an arithmetic number, because the mean of its divisors is an integer number (272072655).

Almost surely, 21378501414 is an apocalyptic number.

1378501414 is a deficient number, since it is larger than the sum of its proper divisors (798079826).

1378501414 is a wasteful number, since it uses less digits than its factorization.

1378501414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36276374.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1378501414 is about 37128.1754736211. The cubic root of 1378501414 is about 1112.9331330999.

The spelling of 1378501414 in words is "one billion, three hundred seventy-eight million, five hundred one thousand, four hundred fourteen".

Divisors: 1 2 19 38 36276353 72552706 689250707 1378501414