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91241401 = 1931971597
BaseRepresentation
bin1010111000000…
…11101110111001
320100200112200011
411130003232321
5141324211101
613015341521
72155352626
oct534035671
9210615604
1091241401
114755a019
12266818a1
1315b97cc4
14c19134d
158024751
hex5703bb9

91241401 has 16 divisors (see below), whose sum is σ = 100226560. Its totient is φ = 82736640.

The previous prime is 91241389. The next prime is 91241413. The reversal of 91241401 is 10414219.

It is an interprime number because it is at equal distance from previous prime (91241389) and next prime (91241413).

It is not a de Polignac number, because 91241401 - 29 = 91240889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91241701) 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, 56335 + ... + 57931.

It is an arithmetic number, because the mean of its divisors is an integer number (6264160).

Almost surely, 291241401 is an apocalyptic number.

It is an amenable number.

91241401 is a deficient number, since it is larger than the sum of its proper divisors (8985159).

91241401 is a wasteful number, since it uses less digits than its factorization.

91241401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 91241401 is about 9552.0364844362. The cubic root of 91241401 is about 450.1915250576.

The spelling of 91241401 in words is "ninety-one million, two hundred forty-one thousand, four hundred one".

Divisors: 1 19 31 97 589 1597 1843 3007 30343 49507 57133 154909 940633 2943271 4802179 91241401