Search a number
-
+
83398497 = 3713305489
BaseRepresentation
bin1001111100010…
…00111101100001
312210221002020020
410332020331201
5132322222442
612135304053
72031606210
oct476107541
9183832206
1083398497
1143092586
1223b1b029
1314380230
14b10d077
1574c59ec
hex4f88f61

83398497 has 16 divisors (see below), whose sum is σ = 136859520. Its totient is φ = 43990272.

The previous prime is 83398477. The next prime is 83398499. The reversal of 83398497 is 79489338.

It is not a de Polignac number, because 83398497 - 26 = 83398433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83398499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152472 + ... + 153017.

It is an arithmetic number, because the mean of its divisors is an integer number (8553720).

Almost surely, 283398497 is an apocalyptic number.

It is an amenable number.

83398497 is a deficient number, since it is larger than the sum of its proper divisors (53461023).

83398497 is a wasteful number, since it uses less digits than its factorization.

83398497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305512.

The product of its digits is 1306368, while the sum is 51.

The square root of 83398497 is about 9132.2777553029. The cubic root of 83398497 is about 436.9040541176.

It can be divided in two parts, 8339 and 8497, that added together give a triangular number (16836 = T183).

The spelling of 83398497 in words is "eighty-three million, three hundred ninety-eight thousand, four hundred ninety-seven".

Divisors: 1 3 7 13 21 39 91 273 305489 916467 2138423 3971357 6415269 11914071 27799499 83398497