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97200190 = 2531313549
BaseRepresentation
bin1011100101100…
…10100000111110
320202220021121001
411302302200332
5144340401230
613351200514
72260121323
oct562624076
9222807531
1097200190
114a959a3a
122867613a
13171a3309
14cca2b4a
1588000ca
hex5cb283e

97200190 has 16 divisors (see below), whose sum is σ = 180604800. Its totient is φ = 37625760.

The previous prime is 97200161. The next prime is 97200197. The reversal of 97200190 is 9100279.

It is a super-2 number, since 2×972001902 = 18895753872072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97200197) 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, 156465 + ... + 157084.

It is an arithmetic number, because the mean of its divisors is an integer number (11287800).

Almost surely, 297200190 is an apocalyptic number.

97200190 is a deficient number, since it is larger than the sum of its proper divisors (83404610).

97200190 is a wasteful number, since it uses less digits than its factorization.

97200190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313587.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 97200190 is about 9859.0156709481. The cubic root of 97200190 is about 459.7859590219.

The spelling of 97200190 in words is "ninety-seven million, two hundred thousand, one hundred ninety".

Divisors: 1 2 5 10 31 62 155 310 313549 627098 1567745 3135490 9720019 19440038 48600095 97200190