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14701440 = 2735131931
BaseRepresentation
bin111000000101…
…001110000000
31000122220120210
4320011032000
512230421230
61243034120
7235650225
oct70051600
930586523
1014701440
118331456
124b0b940
1330797a0
141d4994c
151455eb0
hexe05380

14701440 has 256 divisors, whose sum is σ = 54835200. Its totient is φ = 3317760.

The previous prime is 14701429. The next prime is 14701451. The reversal of 14701440 is 4410741.

It is an interprime number because it is at equal distance from previous prime (14701429) and next prime (14701451).

It is a super-2 number, since 2×147014402 = 432264676147200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474225 + ... + 474255.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 214701440 is an apocalyptic number.

14701440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14701440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27417600).

14701440 is an abundant number, since it is smaller than the sum of its proper divisors (40133760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14701440 is a wasteful number, since it uses less digits than its factorization.

14701440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 14701440 is about 3834.2456885286. The cubic root of 14701440 is about 244.9739802993.

The spelling of 14701440 in words is "fourteen million, seven hundred one thousand, four hundred forty".