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4025235221 = 72325001461
BaseRepresentation
bin1110111111101100…
…0011011100010101
3101101112012010122222
43233323003130111
531220430011341
61503230432125
7201514635440
oct35773033425
911345163588
104025235221
11178615a887
12944062645
134c1c189b7
142a2842657
151885ac44b
hexefec3715

4025235221 has 8 divisors (see below), whose sum is σ = 4800280704. Its totient is φ = 3300192720.

The previous prime is 4025235211. The next prime is 4025235239. The reversal of 4025235221 is 1225325204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4025235221 - 210 = 4025234197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025235211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500570 + ... + 12500891.

It is an arithmetic number, because the mean of its divisors is an integer number (600035088).

Almost surely, 24025235221 is an apocalyptic number.

It is an amenable number.

4025235221 is a deficient number, since it is larger than the sum of its proper divisors (775045483).

4025235221 is a wasteful number, since it uses less digits than its factorization.

4025235221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001491.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4025235221 is about 63444.7414763430. The cubic root of 4025235221 is about 1590.7322578123.

The spelling of 4025235221 in words is "four billion, twenty-five million, two hundred thirty-five thousand, two hundred twenty-one".

Divisors: 1 7 23 161 25001461 175010227 575033603 4025235221