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72949098 = 2322354521
BaseRepresentation
bin1000101100100…
…01110101101010
312002021012100110
410112101311222
5122133332343
611123315150
71544025405
oct426216552
9162235313
1072949098
11381a5812
122051bab6
1312161c61
14998cd3c
15660e833
hex4591d6a

72949098 has 16 divisors (see below), whose sum is σ = 146555136. Its totient is φ = 24206880.

The previous prime is 72949087. The next prime is 72949109. The reversal of 72949098 is 89094927.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72949087) and next prime (72949109).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25923 + ... + 28598.

It is an arithmetic number, because the mean of its divisors is an integer number (9159696).

Almost surely, 272949098 is an apocalyptic number.

72949098 is an abundant number, since it is smaller than the sum of its proper divisors (73606038).

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

72949098 is a wasteful number, since it uses less digits than its factorization.

72949098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54749.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 72949098 is about 8541.0244116265. The cubic root of 72949098 is about 417.8367569947.

The spelling of 72949098 in words is "seventy-two million, nine hundred forty-nine thousand, ninety-eight".

Divisors: 1 2 3 6 223 446 669 1338 54521 109042 163563 327126 12158183 24316366 36474549 72949098