Search a number
-
+
97390945 = 5532271619
BaseRepresentation
bin1011100111000…
…01000101100001
320210020222021001
411303201011201
5144413002240
613355232001
72261544421
oct563410541
9223228231
1097390945
114aa7a293
1228748601
131723c0a2
14cd12481
15883b89a
hex5ce1161

97390945 has 16 divisors (see below), whose sum is σ = 119672640. Its totient is φ = 76058944.

The previous prime is 97390907. The next prime is 97390957. The reversal of 97390945 is 54909379.

It is a cyclic number.

It is not a de Polignac number, because 97390945 - 27 = 97390817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97390895 and 97390904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59346 + ... + 60964.

It is an arithmetic number, because the mean of its divisors is an integer number (7479540).

Almost surely, 297390945 is an apocalyptic number.

It is an amenable number.

97390945 is a deficient number, since it is larger than the sum of its proper divisors (22281695).

97390945 is a wasteful number, since it uses less digits than its factorization.

97390945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 97390945 is about 9868.6850694507. The cubic root of 97390945 is about 460.0865385391.

The spelling of 97390945 in words is "ninety-seven million, three hundred ninety thousand, nine hundred forty-five".

Divisors: 1 5 53 227 265 1135 1619 8095 12031 60155 85807 367513 429035 1837565 19478189 97390945