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42153100 = 22521138321
BaseRepresentation
bin1010000011001…
…1010010001100
32221022121011221
42200303102030
541242344400
64103253124
71021203223
oct240632214
987277157
1042153100
1121881280
121214a1a4
13896b882
145853cba
153a79c1a
hex283348c

42153100 has 36 divisors (see below), whose sum is σ = 99790488. Its totient is φ = 15328000.

The previous prime is 42153071. The next prime is 42153121. The reversal of 42153100 is 135124.

It is a super-2 number, since 2×421531002 = 3553767679220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18061 + ... + 20260.

It is an arithmetic number, because the mean of its divisors is an integer number (2771958).

Almost surely, 242153100 is an apocalyptic number.

It is an amenable number.

42153100 is an abundant number, since it is smaller than the sum of its proper divisors (57637388).

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

42153100 is a wasteful number, since it uses less digits than its factorization.

42153100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38346 (or 38339 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 42153100 is about 6492.5418751056. The cubic root of 42153100 is about 348.0245171435.

Adding to 42153100 its reverse (135124), we get a palindrome (42288224).

The spelling of 42153100 in words is "forty-two million, one hundred fifty-three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 38321 76642 153284 191605 383210 421531 766420 843062 958025 1686124 1916050 2107655 3832100 4215310 8430620 10538275 21076550 42153100