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2628001481 = 72291639427
BaseRepresentation
bin1001110010100100…
…0001111011001001
320210011001022022012
42130221001323021
520340232021411
61112435105305
7122060433620
oct23451017311
96704038265
102628001481
111129490456
12614142235
1332b5c8381
141ad0506b7
15105ab218b
hex9ca41ec9

2628001481 has 8 divisors (see below), whose sum is σ = 3016547520. Its totient is φ = 2242734768.

The previous prime is 2628001469. The next prime is 2628001483. The reversal of 2628001481 is 1841008262.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2628001481 - 26 = 2628001417 is a prime.

It is a super-2 number, since 2×26280014812 = 13812783568276386722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2628001483) 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, 818111 + ... + 821316.

It is an arithmetic number, because the mean of its divisors is an integer number (377068440).

Almost surely, 22628001481 is an apocalyptic number.

It is an amenable number.

2628001481 is a deficient number, since it is larger than the sum of its proper divisors (388546039).

2628001481 is a wasteful number, since it uses less digits than its factorization.

2628001481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639663.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 2628001481 is about 51264.0369167314. The cubic root of 2628001481 is about 1379.9876567194.

The spelling of 2628001481 in words is "two billion, six hundred twenty-eight million, one thousand, four hundred eighty-one".

Divisors: 1 7 229 1603 1639427 11475989 375428783 2628001481