Search a number
-
+
69602381 is a prime number
BaseRepresentation
bin1000010011000…
…00110001001101
311211222011111222
410021200301031
5120304234011
610523453125
71503416252
oct411406115
9154864458
1069602381
113631a332
121b3871a5
131155c854
14935b429
15619cddb
hex4260c4d

69602381 has 2 divisors, whose sum is σ = 69602382. Its totient is φ = 69602380.

The previous prime is 69602371. The next prime is 69602387. The reversal of 69602381 is 18320696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45346756 + 24255625 = 6734^2 + 4925^2 .

It is a cyclic number.

It is not a de Polignac number, because 69602381 - 26 = 69602317 is a prime.

It is a super-2 number, since 2×696023812 = 9688982881738322, which contains 22 as substring.

It is a Chen prime.

It is equal to p4096079 and since 69602381 and 4096079 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69602387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34801190 + 34801191.

It is an arithmetic number, because the mean of its divisors is an integer number (34801191).

Almost surely, 269602381 is an apocalyptic number.

It is an amenable number.

69602381 is a deficient number, since it is larger than the sum of its proper divisors (1).

69602381 is an equidigital number, since it uses as much as digits as its factorization.

69602381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 69602381 is about 8342.8041448904. The cubic root of 69602381 is about 411.3467138264.

The spelling of 69602381 in words is "sixty-nine million, six hundred two thousand, three hundred eighty-one".