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93497490 = 2345115429
BaseRepresentation
bin1011001001010…
…10100010010010
320111221011110000
411210222202102
5142413404430
613135550430
72213500302
oct544524222
9214834400
1093497490
1148860059
122738b416
13164a7b78
14c5bb602
15831ce60
hex592a892

93497490 has 40 divisors (see below), whose sum is σ = 251406540. Its totient is φ = 24932448.

The previous prime is 93497489. The next prime is 93497491. The reversal of 93497490 is 9479439.

It is an interprime number because it is at equal distance from previous prime (93497489) and next prime (93497491).

It can be written as a sum of positive squares in 2 ways, for example, as 88792929 + 4704561 = 9423^2 + 2169^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (93497491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56905 + ... + 58524.

Almost surely, 293497490 is an apocalyptic number.

93497490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

93497490 is an abundant number, since it is smaller than the sum of its proper divisors (157909050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93497490 is a wasteful number, since it uses less digits than its factorization.

93497490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115448 (or 115439 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 93497490 is about 9669.4100130256. The cubic root of 93497490 is about 453.8719227039.

The spelling of 93497490 in words is "ninety-three million, four hundred ninety-seven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 115429 230858 346287 577145 692574 1038861 1154290 1731435 2077722 3116583 3462870 5194305 6233166 9349749 10388610 15582915 18699498 31165830 46748745 93497490