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314736661 = 1024330727
BaseRepresentation
bin10010110000101…
…000000000010101
3210221020021112101
4102300220000111
51121033033121
651121522101
710541134411
oct2260500025
9727207471
10314736661
1115172a348
12894a3331
135028a615
142db2bd41
151c970491
hex12c28015

314736661 has 4 divisors (see below), whose sum is σ = 314777632. Its totient is φ = 314695692.

The previous prime is 314736659. The next prime is 314736671. The reversal of 314736661 is 166637413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 166637413 = 1071557359.

It is a 3-Lehmer number, since φ(314736661) divides (314736661-1)3.

It is a cyclic number.

It is not a de Polignac number, because 314736661 - 21 = 314736659 is a prime.

It is a deceptive number, since it divides R314736660.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314736661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314736671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121 + ... + 25606.

It is an arithmetic number, because the mean of its divisors is an integer number (78694408).

Almost surely, 2314736661 is an apocalyptic number.

314736661 is the 10243-rd octagonal number.

It is an amenable number.

314736661 is a deficient number, since it is larger than the sum of its proper divisors (40971).

314736661 is a wasteful number, since it uses less digits than its factorization.

314736661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40970.

The product of its digits is 54432, while the sum is 37.

The square root of 314736661 is about 17740.8190622643. The cubic root of 314736661 is about 680.2195520870.

The spelling of 314736661 in words is "three hundred fourteen million, seven hundred thirty-six thousand, six hundred sixty-one".

Divisors: 1 10243 30727 314736661