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100497490 = 2510049749
BaseRepresentation
bin1011111110101…
…11100001010010
321000002210122021
411333113201102
5201211404430
613550002054
72330133412
oct577274122
9230083567
10100497490
1151801285
12297a632a
1317a89092
14d4c0642
158c5207a
hex5fd7852

100497490 has 8 divisors (see below), whose sum is σ = 180895500. Its totient is φ = 40198992.

The previous prime is 100497461. The next prime is 100497491. The reversal of 100497490 is 94794001.

It can be written as a sum of positive squares in 2 ways, for example, as 81234169 + 19263321 = 9013^2 + 4389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100497491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024865 + ... + 5024884.

Almost surely, 2100497490 is an apocalyptic number.

100497490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100497490 is a deficient number, since it is larger than the sum of its proper divisors (80398010).

100497490 is a wasteful number, since it uses less digits than its factorization.

100497490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049756.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 100497490 is about 10024.8436396784. The cubic root of 100497490 is about 464.9273251359.

The spelling of 100497490 in words is "one hundred million, four hundred ninety-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 10049749 20099498 50248745 100497490