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42998902 = 221499451
BaseRepresentation
bin1010010000000…
…1110001110110
32222220120101221
42210001301312
542001431102
64133340554
71031325142
oct244016166
988816357
1042998902
11222a9791
121249775a
138ba684b
1459d4222
153b95637
hex2901c76

42998902 has 4 divisors (see below), whose sum is σ = 64498356. Its totient is φ = 21499450.

The previous prime is 42998887. The next prime is 42998939. The reversal of 42998902 is 20989924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a pancake number, because a pancake can be divided into 42998902 parts by 9273 straight cuts.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10749724 + ... + 10749727.

It is an arithmetic number, because the mean of its divisors is an integer number (16124589).

Almost surely, 242998902 is an apocalyptic number.

42998902 is a deficient number, since it is larger than the sum of its proper divisors (21499454).

42998902 is a wasteful number, since it uses less digits than its factorization.

42998902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21499453.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 42998902 is about 6557.3548020524. The cubic root of 42998902 is about 350.3368240512.

The spelling of 42998902 in words is "forty-two million, nine hundred ninety-eight thousand, nine hundred two".

Divisors: 1 2 21499451 42998902