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60800381 = 175367481
BaseRepresentation
bin1110011111101…
…1110101111101
311020101222102222
43213323311331
5111031103011
610011055125
71335536405
oct347736575
9136358388
1060800381
1131358254
12184414a5
13c79a375
148109805
15550eddb
hex39fbd7d

60800381 has 8 divisors (see below), whose sum is σ = 65592504. Its totient is φ = 56143360.

The previous prime is 60800371. The next prime is 60800387. The reversal of 60800381 is 18300806.

It can be written as a sum of positive squares in 4 ways, for example, as 41396356 + 19404025 = 6434^2 + 4405^2 .

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 60800381 - 214 = 60783997 is a prime.

It is a super-2 number, since 2×608003812 = 7393372659490322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 60800381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60800387) 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, 32840 + ... + 34641.

It is an arithmetic number, because the mean of its divisors is an integer number (8199063).

Almost surely, 260800381 is an apocalyptic number.

It is an amenable number.

60800381 is a deficient number, since it is larger than the sum of its proper divisors (4792123).

60800381 is a wasteful number, since it uses less digits than its factorization.

60800381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67551.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 60800381 is about 7797.4599069184. The cubic root of 60800381 is about 393.2198503570.

The spelling of 60800381 in words is "sixty million, eight hundred thousand, three hundred eighty-one".

Divisors: 1 17 53 901 67481 1147177 3576493 60800381